255291400

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{13}}^3\times {\mathrm{83}}^1$

素因数の和:145

約数の個数: 192

約数和(自身を含む): 743702400

約数和(自身を除く): 488411000

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 25, 26, 28, 35, 40, 50, 52, 56, 65, 70, 83, 91, 100, 104, 130, 140, 166, 169, 175, 182, 200, 260, 280, 325, 332, 338, 350, 364, 415, 455, 520, 581, 650, 664, 676, 700, 728, 830, 845, 910, 1079, 1162, 1183, 1300, 1352, 1400, 1660, 1690, 1820, 2075, 2158, 2197, 2275, 2324, 2366, 2600, 2905, 3320, 3380, 3640, 4150, 4225, 4316, 4394, 4550, 4648, 4732, 5395, 5810, 5915, 6760, 7553, 8300, 8450, 8632, 8788, 9100, 9464, 10790, 10985, 11620, 11830, 14027, 14525, 15106, 15379, 16600, 16900, 17576, 18200, 21580, 21970, 23240, 23660, 26975, 28054, 29050, 29575, 30212, 30758, 33800, 37765, 43160, 43940, 47320, 53950, 54925, 56108, 58100, 59150, 60424, 61516, 70135, 75530, 76895, 87880, 98189, 107900, 109850, 112216, 116200, 118300, 123032, 140270, 151060, 153790, 182351, 188825, 196378, 215800, 219700, 236600, 280540, 302120, 307580, 350675, 364702, 377650, 384475, 392756, 439400, 490945, 561080, 615160, 701350, 729404, 755300, 768950, 785512, 911755, 981890, 1276457, 1402700, 1458808, 1510600, 1537900, 1823510, 1963780, 2454725, 2552914, 2805400, 3075800, 3647020, 3927560, 4558775, 4909450, 5105828, 6382285, 7294040, 9117550, 9818900, 10211656, 12764570, 18235100, 19637800, 25529140, 31911425, 36470200, 51058280, 63822850, 127645700, 255291400]

約数ペア:

[(1, 255291400), (2, 127645700), (4, 63822850), (5, 51058280), (7, 36470200), (8, 31911425), (10, 25529140), (13, 19637800), (14, 18235100), (20, 12764570), (25, 10211656), (26, 9818900), (28, 9117550), (35, 7294040), (40, 6382285), (50, 5105828), (52, 4909450), (56, 4558775), (65, 3927560), (70, 3647020), (83, 3075800), (91, 2805400), (100, 2552914), (104, 2454725), (130, 1963780), (140, 1823510), (166, 1537900), (169, 1510600), (175, 1458808), (182, 1402700), (200, 1276457), (260, 981890), (280, 911755), (325, 785512), (332, 768950), (338, 755300), (350, 729404), (364, 701350), (415, 615160), (455, 561080), (520, 490945), (581, 439400), (650, 392756), (664, 384475), (676, 377650), (700, 364702), (728, 350675), (830, 307580), (845, 302120), (910, 280540), (1079, 236600), (1162, 219700), (1183, 215800), (1300, 196378), (1352, 188825), (1400, 182351), (1660, 153790), (1690, 151060), (1820, 140270), (2075, 123032), (2158, 118300), (2197, 116200), (2275, 112216), (2324, 109850), (2366, 107900), (2600, 98189), (2905, 87880), (3320, 76895), (3380, 75530), (3640, 70135), (4150, 61516), (4225, 60424), (4316, 59150), (4394, 58100), (4550, 56108), (4648, 54925), (4732, 53950), (5395, 47320), (5810, 43940), (5915, 43160), (6760, 37765), (7553, 33800), (8300, 30758), (8450, 30212), (8632, 29575), (8788, 29050), (9100, 28054), (9464, 26975), (10790, 23660), (10985, 23240), (11620, 21970), (11830, 21580), (14027, 18200), (14525, 17576), (15106, 16900), (15379, 16600)]