205201710

素因数分解:

$2^1\times 3^2\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1$

素因数の和:156

約数の個数: 288

約数和(自身を含む): 682905600

約数和(自身を除く): 477703890

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 19, 21, 30, 31, 35, 38, 42, 45, 49, 57, 62, 63, 70, 79, 90, 93, 95, 98, 105, 114, 126, 133, 147, 155, 158, 171, 186, 190, 210, 217, 237, 245, 266, 279, 285, 294, 310, 315, 342, 395, 399, 434, 441, 465, 474, 490, 553, 558, 570, 589, 630, 651, 665, 711, 735, 790, 798, 855, 882, 930, 931, 1085, 1106, 1178, 1185, 1197, 1302, 1330, 1395, 1422, 1470, 1501, 1519, 1659, 1710, 1767, 1862, 1953, 1995, 2170, 2205, 2370, 2394, 2449, 2765, 2790, 2793, 2945, 3002, 3038, 3255, 3318, 3534, 3555, 3871, 3906, 3990, 4123, 4410, 4503, 4557, 4655, 4898, 4977, 5301, 5530, 5586, 5890, 5985, 6510, 7110, 7347, 7505, 7595, 7742, 8246, 8295, 8379, 8835, 9006, 9114, 9310, 9765, 9954, 10507, 10602, 11613, 11970, 12245, 12369, 13509, 13671, 13965, 14694, 15010, 15190, 16590, 16758, 17143, 17670, 19355, 19530, 20615, 21014, 22041, 22515, 22785, 23226, 24490, 24738, 24885, 26505, 27018, 27342, 27930, 28861, 31521, 34286, 34839, 36735, 37107, 38710, 41230, 41895, 44082, 45030, 45570, 46531, 49770, 51429, 52535, 53010, 57722, 58065, 61845, 63042, 67545, 68355, 69678, 73470, 73549, 74214, 83790, 85715, 86583, 93062, 94563, 102858, 105070, 110205, 116130, 120001, 123690, 135090, 136710, 139593, 144305, 147098, 154287, 157605, 171430, 173166, 174195, 185535, 189126, 220410, 220647, 232655, 240002, 257145, 259749, 279186, 288610, 308574, 315210, 325717, 348390, 360003, 367745, 371070, 418779, 432915, 441294, 465310, 472815, 514290, 519498, 600005, 651434, 661941, 697965, 720006, 735490, 771435, 837558, 865830, 945630, 977151, 1080009, 1103235, 1200010, 1298745, 1323882, 1395930, 1542870, 1628585, 1800015, 1954302, 2093895, 2160018, 2206470, 2280019, 2597490, 2931453, 3257170, 3309705, 3600030, 4187790, 4560038, 4885755, 5400045, 5862906, 6619410, 6840057, 9771510, 10800090, 11400095, 13680114, 14657265, 20520171, 22800190, 29314530, 34200285, 41040342, 68400570, 102600855, 205201710]

約数ペア:

[(1, 205201710), (2, 102600855), (3, 68400570), (5, 41040342), (6, 34200285), (7, 29314530), (9, 22800190), (10, 20520171), (14, 14657265), (15, 13680114), (18, 11400095), (19, 10800090), (21, 9771510), (30, 6840057), (31, 6619410), (35, 5862906), (38, 5400045), (42, 4885755), (45, 4560038), (49, 4187790), (57, 3600030), (62, 3309705), (63, 3257170), (70, 2931453), (79, 2597490), (90, 2280019), (93, 2206470), (95, 2160018), (98, 2093895), (105, 1954302), (114, 1800015), (126, 1628585), (133, 1542870), (147, 1395930), (155, 1323882), (158, 1298745), (171, 1200010), (186, 1103235), (190, 1080009), (210, 977151), (217, 945630), (237, 865830), (245, 837558), (266, 771435), (279, 735490), (285, 720006), (294, 697965), (310, 661941), (315, 651434), (342, 600005), (395, 519498), (399, 514290), (434, 472815), (441, 465310), (465, 441294), (474, 432915), (490, 418779), (553, 371070), (558, 367745), (570, 360003), (589, 348390), (630, 325717), (651, 315210), (665, 308574), (711, 288610), (735, 279186), (790, 259749), (798, 257145), (855, 240002), (882, 232655), (930, 220647), (931, 220410), (1085, 189126), (1106, 185535), (1178, 174195), (1185, 173166), (1197, 171430), (1302, 157605), (1330, 154287), (1395, 147098), (1422, 144305), (1470, 139593), (1501, 136710), (1519, 135090), (1659, 123690), (1710, 120001), (1767, 116130), (1862, 110205), (1953, 105070), (1995, 102858), (2170, 94563), (2205, 93062), (2370, 86583), (2394, 85715), (2449, 83790), (2765, 74214), (2790, 73549), (2793, 73470), (2945, 69678), (3002, 68355), (3038, 67545), (3255, 63042), (3318, 61845), (3534, 58065), (3555, 57722), (3871, 53010), (3906, 52535), (3990, 51429), (4123, 49770), (4410, 46531), (4503, 45570), (4557, 45030), (4655, 44082), (4898, 41895), (4977, 41230), (5301, 38710), (5530, 37107), (5586, 36735), (5890, 34839), (5985, 34286), (6510, 31521), (7110, 28861), (7347, 27930), (7505, 27342), (7595, 27018), (7742, 26505), (8246, 24885), (8295, 24738), (8379, 24490), (8835, 23226), (9006, 22785), (9114, 22515), (9310, 22041), (9765, 21014), (9954, 20615), (10507, 19530), (10602, 19355), (11613, 17670), (11970, 17143), (12245, 16758), (12369, 16590), (13509, 15190), (13671, 15010), (13965, 14694)]