201499480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{281}}^1$

素因数の和:509

約数の個数: 128

約数和(自身を含む): 562826880

約数和(自身を除く): 361327400

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 182, 197, 260, 280, 281, 364, 394, 455, 520, 562, 728, 788, 910, 985, 1124, 1379, 1405, 1576, 1820, 1967, 1970, 2248, 2561, 2758, 2810, 3640, 3653, 3934, 3940, 5122, 5516, 5620, 6895, 7306, 7868, 7880, 9835, 10244, 11032, 11240, 12805, 13790, 14612, 15736, 17927, 18265, 19670, 20488, 25571, 25610, 27580, 29224, 35854, 36530, 39340, 51142, 51220, 55160, 55357, 71708, 73060, 78680, 89635, 102284, 102440, 110714, 127855, 143416, 146120, 179270, 204568, 221428, 255710, 276785, 358540, 387499, 442856, 511420, 553570, 717080, 719641, 774998, 1022840, 1107140, 1439282, 1549996, 1937495, 2214280, 2878564, 3099992, 3598205, 3874990, 5037487, 5757128, 7196410, 7749980, 10074974, 14392820, 15499960, 20149948, 25187435, 28785640, 40299896, 50374870, 100749740, 201499480]

約数ペア:

[(1, 201499480), (2, 100749740), (4, 50374870), (5, 40299896), (7, 28785640), (8, 25187435), (10, 20149948), (13, 15499960), (14, 14392820), (20, 10074974), (26, 7749980), (28, 7196410), (35, 5757128), (40, 5037487), (52, 3874990), (56, 3598205), (65, 3099992), (70, 2878564), (91, 2214280), (104, 1937495), (130, 1549996), (140, 1439282), (182, 1107140), (197, 1022840), (260, 774998), (280, 719641), (281, 717080), (364, 553570), (394, 511420), (455, 442856), (520, 387499), (562, 358540), (728, 276785), (788, 255710), (910, 221428), (985, 204568), (1124, 179270), (1379, 146120), (1405, 143416), (1576, 127855), (1820, 110714), (1967, 102440), (1970, 102284), (2248, 89635), (2561, 78680), (2758, 73060), (2810, 71708), (3640, 55357), (3653, 55160), (3934, 51220), (3940, 51142), (5122, 39340), (5516, 36530), (5620, 35854), (6895, 29224), (7306, 27580), (7868, 25610), (7880, 25571), (9835, 20488), (10244, 19670), (11032, 18265), (11240, 17927), (12805, 15736), (13790, 14612)]