388542420

素因数分解:

$2^2\times 3^{10}\times 5^1\times 7^1\times {\mathrm{47}}^1$

素因数の和:93

約数の個数: 264

約数和(自身を含む): 1428505344

約数和(自身を除く): 1039962924

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 47, 54, 60, 63, 70, 81, 84, 90, 94, 105, 108, 126, 135, 140, 141, 162, 180, 188, 189, 210, 235, 243, 252, 270, 282, 315, 324, 329, 378, 405, 420, 423, 470, 486, 540, 564, 567, 630, 658, 705, 729, 756, 810, 846, 940, 945, 972, 987, 1134, 1215, 1260, 1269, 1316, 1410, 1458, 1620, 1645, 1692, 1701, 1890, 1974, 2115, 2187, 2268, 2430, 2538, 2820, 2835, 2916, 2961, 3290, 3402, 3645, 3780, 3807, 3948, 4230, 4374, 4860, 4935, 5076, 5103, 5670, 5922, 6345, 6561, 6580, 6804, 7290, 7614, 8460, 8505, 8748, 8883, 9870, 10206, 10935, 11340, 11421, 11844, 12690, 13122, 14580, 14805, 15228, 15309, 17010, 17766, 19035, 19683, 19740, 20412, 21870, 22842, 25380, 25515, 26244, 26649, 29610, 30618, 32805, 34020, 34263, 35532, 38070, 39366, 43740, 44415, 45684, 45927, 51030, 53298, 57105, 59049, 59220, 61236, 65610, 68526, 76140, 76545, 78732, 79947, 88830, 91854, 98415, 102060, 102789, 106596, 114210, 118098, 131220, 133245, 137052, 137781, 153090, 159894, 171315, 177660, 183708, 196830, 205578, 228420, 229635, 236196, 239841, 266490, 275562, 295245, 306180, 308367, 319788, 342630, 393660, 399735, 411156, 413343, 459270, 479682, 513945, 532980, 551124, 590490, 616734, 685260, 688905, 719523, 799470, 826686, 918540, 925101, 959364, 1027890, 1180980, 1199205, 1233468, 1377810, 1439046, 1541835, 1598940, 1653372, 1850202, 2055780, 2066715, 2158569, 2398410, 2755620, 2775303, 2878092, 3083670, 3597615, 3700404, 4133430, 4317138, 4625505, 4796820, 5550606, 6167340, 6475707, 7195230, 8266860, 8634276, 9251010, 10792845, 11101212, 12951414, 13876515, 14390460, 18502020, 19427121, 21585690, 25902828, 27753030, 32378535, 38854242, 43171380, 55506060, 64757070, 77708484, 97135605, 129514140, 194271210, 388542420]

約数ペア:

[(1, 388542420), (2, 194271210), (3, 129514140), (4, 97135605), (5, 77708484), (6, 64757070), (7, 55506060), (9, 43171380), (10, 38854242), (12, 32378535), (14, 27753030), (15, 25902828), (18, 21585690), (20, 19427121), (21, 18502020), (27, 14390460), (28, 13876515), (30, 12951414), (35, 11101212), (36, 10792845), (42, 9251010), (45, 8634276), (47, 8266860), (54, 7195230), (60, 6475707), (63, 6167340), (70, 5550606), (81, 4796820), (84, 4625505), (90, 4317138), (94, 4133430), (105, 3700404), (108, 3597615), (126, 3083670), (135, 2878092), (140, 2775303), (141, 2755620), (162, 2398410), (180, 2158569), (188, 2066715), (189, 2055780), (210, 1850202), (235, 1653372), (243, 1598940), (252, 1541835), (270, 1439046), (282, 1377810), (315, 1233468), (324, 1199205), (329, 1180980), (378, 1027890), (405, 959364), (420, 925101), (423, 918540), (470, 826686), (486, 799470), (540, 719523), (564, 688905), (567, 685260), (630, 616734), (658, 590490), (705, 551124), (729, 532980), (756, 513945), (810, 479682), (846, 459270), (940, 413343), (945, 411156), (972, 399735), (987, 393660), (1134, 342630), (1215, 319788), (1260, 308367), (1269, 306180), (1316, 295245), (1410, 275562), (1458, 266490), (1620, 239841), (1645, 236196), (1692, 229635), (1701, 228420), (1890, 205578), (1974, 196830), (2115, 183708), (2187, 177660), (2268, 171315), (2430, 159894), (2538, 153090), (2820, 137781), (2835, 137052), (2916, 133245), (2961, 131220), (3290, 118098), (3402, 114210), (3645, 106596), (3780, 102789), (3807, 102060), (3948, 98415), (4230, 91854), (4374, 88830), (4860, 79947), (4935, 78732), (5076, 76545), (5103, 76140), (5670, 68526), (5922, 65610), (6345, 61236), (6561, 59220), (6580, 59049), (6804, 57105), (7290, 53298), (7614, 51030), (8460, 45927), (8505, 45684), (8748, 44415), (8883, 43740), (9870, 39366), (10206, 38070), (10935, 35532), (11340, 34263), (11421, 34020), (11844, 32805), (12690, 30618), (13122, 29610), (14580, 26649), (14805, 26244), (15228, 25515), (15309, 25380), (17010, 22842), (17766, 21870), (19035, 20412), (19683, 19740)]