428917860

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{139}}^1$

素因数の和:271

約数の個数: 288

約数和(自身を含む): 1565491200

約数和(自身を除く): 1136573340

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 31, 35, 36, 42, 45, 60, 62, 63, 70, 79, 84, 90, 93, 105, 124, 126, 139, 140, 155, 158, 180, 186, 210, 217, 237, 252, 278, 279, 310, 315, 316, 372, 395, 417, 420, 434, 465, 474, 553, 556, 558, 620, 630, 651, 695, 711, 790, 834, 868, 930, 948, 973, 1085, 1106, 1116, 1185, 1251, 1260, 1302, 1390, 1395, 1422, 1580, 1659, 1668, 1860, 1946, 1953, 2085, 2170, 2212, 2370, 2449, 2502, 2604, 2765, 2780, 2790, 2844, 2919, 3255, 3318, 3555, 3892, 3906, 4170, 4309, 4340, 4740, 4865, 4898, 4977, 5004, 5530, 5580, 5838, 6255, 6510, 6636, 7110, 7347, 7812, 8295, 8340, 8618, 8757, 9730, 9765, 9796, 9954, 10981, 11060, 11676, 12245, 12510, 12927, 13020, 14220, 14595, 14694, 16590, 17143, 17236, 17514, 19460, 19530, 19908, 21545, 21962, 22041, 24490, 24885, 25020, 25854, 29190, 29388, 30163, 32943, 33180, 34286, 35028, 36735, 38781, 39060, 43090, 43785, 43924, 44082, 48980, 49770, 51429, 51708, 54905, 58380, 60326, 64635, 65886, 68572, 73470, 76867, 77562, 85715, 86180, 87570, 88164, 90489, 98829, 99540, 102858, 109810, 110205, 120652, 129270, 131772, 146940, 150815, 153734, 154287, 155124, 164715, 171430, 175140, 180978, 193905, 197658, 205716, 219620, 220410, 230601, 257145, 258540, 271467, 301630, 307468, 308574, 329430, 340411, 342860, 361956, 384335, 387810, 395316, 440820, 452445, 461202, 494145, 514290, 542934, 603260, 617148, 658860, 680822, 691803, 768670, 771435, 775620, 904890, 922404, 988290, 1021233, 1028580, 1085868, 1153005, 1357335, 1361644, 1383606, 1537340, 1542870, 1702055, 1809780, 1976580, 2042466, 2306010, 2382877, 2714670, 2767212, 3063699, 3085740, 3404110, 3459015, 4084932, 4612020, 4765754, 5106165, 5429340, 6127398, 6808220, 6918030, 7148631, 9531508, 10212330, 11914385, 12254796, 13836060, 14297262, 15318495, 20424660, 21445893, 23828770, 28594524, 30636990, 35743155, 42891786, 47657540, 61273980, 71486310, 85783572, 107229465, 142972620, 214458930, 428917860]

約数ペア:

[(1, 428917860), (2, 214458930), (3, 142972620), (4, 107229465), (5, 85783572), (6, 71486310), (7, 61273980), (9, 47657540), (10, 42891786), (12, 35743155), (14, 30636990), (15, 28594524), (18, 23828770), (20, 21445893), (21, 20424660), (28, 15318495), (30, 14297262), (31, 13836060), (35, 12254796), (36, 11914385), (42, 10212330), (45, 9531508), (60, 7148631), (62, 6918030), (63, 6808220), (70, 6127398), (79, 5429340), (84, 5106165), (90, 4765754), (93, 4612020), (105, 4084932), (124, 3459015), (126, 3404110), (139, 3085740), (140, 3063699), (155, 2767212), (158, 2714670), (180, 2382877), (186, 2306010), (210, 2042466), (217, 1976580), (237, 1809780), (252, 1702055), (278, 1542870), (279, 1537340), (310, 1383606), (315, 1361644), (316, 1357335), (372, 1153005), (395, 1085868), (417, 1028580), (420, 1021233), (434, 988290), (465, 922404), (474, 904890), (553, 775620), (556, 771435), (558, 768670), (620, 691803), (630, 680822), (651, 658860), (695, 617148), (711, 603260), (790, 542934), (834, 514290), (868, 494145), (930, 461202), (948, 452445), (973, 440820), (1085, 395316), (1106, 387810), (1116, 384335), (1185, 361956), (1251, 342860), (1260, 340411), (1302, 329430), (1390, 308574), (1395, 307468), (1422, 301630), (1580, 271467), (1659, 258540), (1668, 257145), (1860, 230601), (1946, 220410), (1953, 219620), (2085, 205716), (2170, 197658), (2212, 193905), (2370, 180978), (2449, 175140), (2502, 171430), (2604, 164715), (2765, 155124), (2780, 154287), (2790, 153734), (2844, 150815), (2919, 146940), (3255, 131772), (3318, 129270), (3555, 120652), (3892, 110205), (3906, 109810), (4170, 102858), (4309, 99540), (4340, 98829), (4740, 90489), (4865, 88164), (4898, 87570), (4977, 86180), (5004, 85715), (5530, 77562), (5580, 76867), (5838, 73470), (6255, 68572), (6510, 65886), (6636, 64635), (7110, 60326), (7347, 58380), (7812, 54905), (8295, 51708), (8340, 51429), (8618, 49770), (8757, 48980), (9730, 44082), (9765, 43924), (9796, 43785), (9954, 43090), (10981, 39060), (11060, 38781), (11676, 36735), (12245, 35028), (12510, 34286), (12927, 33180), (13020, 32943), (14220, 30163), (14595, 29388), (14694, 29190), (16590, 25854), (17143, 25020), (17236, 24885), (17514, 24490), (19460, 22041), (19530, 21962), (19908, 21545)]