80428600

素因数分解:

$2^3\times 5^2\times 7^2\times {\mathrm{29}}^1\times {\mathrm{283}}^1$

素因数の和:342

約数の個数: 144

約数和(自身を含む): 225822600

約数和(自身を除く): 145394000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 29, 35, 40, 49, 50, 56, 58, 70, 98, 100, 116, 140, 145, 175, 196, 200, 203, 232, 245, 280, 283, 290, 350, 392, 406, 490, 566, 580, 700, 725, 812, 980, 1015, 1132, 1160, 1225, 1400, 1415, 1421, 1450, 1624, 1960, 1981, 2030, 2264, 2450, 2830, 2842, 2900, 3962, 4060, 4900, 5075, 5660, 5684, 5800, 7075, 7105, 7924, 8120, 8207, 9800, 9905, 10150, 11320, 11368, 13867, 14150, 14210, 15848, 16414, 19810, 20300, 27734, 28300, 28420, 32828, 35525, 39620, 40600, 41035, 49525, 55468, 56600, 56840, 57449, 65656, 69335, 71050, 79240, 82070, 99050, 110936, 114898, 138670, 142100, 164140, 198100, 205175, 229796, 277340, 284200, 287245, 328280, 346675, 396200, 402143, 410350, 459592, 554680, 574490, 693350, 804286, 820700, 1148980, 1386700, 1436225, 1608572, 1641400, 2010715, 2297960, 2773400, 2872450, 3217144, 4021430, 5744900, 8042860, 10053575, 11489800, 16085720, 20107150, 40214300, 80428600]

約数ペア:

[(1, 80428600), (2, 40214300), (4, 20107150), (5, 16085720), (7, 11489800), (8, 10053575), (10, 8042860), (14, 5744900), (20, 4021430), (25, 3217144), (28, 2872450), (29, 2773400), (35, 2297960), (40, 2010715), (49, 1641400), (50, 1608572), (56, 1436225), (58, 1386700), (70, 1148980), (98, 820700), (100, 804286), (116, 693350), (140, 574490), (145, 554680), (175, 459592), (196, 410350), (200, 402143), (203, 396200), (232, 346675), (245, 328280), (280, 287245), (283, 284200), (290, 277340), (350, 229796), (392, 205175), (406, 198100), (490, 164140), (566, 142100), (580, 138670), (700, 114898), (725, 110936), (812, 99050), (980, 82070), (1015, 79240), (1132, 71050), (1160, 69335), (1225, 65656), (1400, 57449), (1415, 56840), (1421, 56600), (1450, 55468), (1624, 49525), (1960, 41035), (1981, 40600), (2030, 39620), (2264, 35525), (2450, 32828), (2830, 28420), (2842, 28300), (2900, 27734), (3962, 20300), (4060, 19810), (4900, 16414), (5075, 15848), (5660, 14210), (5684, 14150), (5800, 13867), (7075, 11368), (7105, 11320), (7924, 10150), (8120, 9905), (8207, 9800)]