89970400

素因数分解:

$2^5\times 5^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{211}}^1$

素因数の和:285

約数の個数: 144

約数和(自身を含む): 243453168

約数和(自身を除く): 153482768

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 41, 50, 52, 65, 80, 82, 100, 104, 130, 160, 164, 200, 205, 208, 211, 260, 325, 328, 400, 410, 416, 422, 520, 533, 650, 656, 800, 820, 844, 1025, 1040, 1055, 1066, 1300, 1312, 1640, 1688, 2050, 2080, 2110, 2132, 2600, 2665, 2743, 3280, 3376, 4100, 4220, 4264, 5200, 5275, 5330, 5486, 6560, 6752, 8200, 8440, 8528, 8651, 10400, 10550, 10660, 10972, 13325, 13715, 16400, 16880, 17056, 17302, 21100, 21320, 21944, 26650, 27430, 32800, 33760, 34604, 42200, 42640, 43255, 43888, 53300, 54860, 68575, 69208, 84400, 85280, 86510, 87776, 106600, 109720, 112463, 137150, 138416, 168800, 173020, 213200, 216275, 219440, 224926, 274300, 276832, 346040, 426400, 432550, 438880, 449852, 548600, 562315, 692080, 865100, 899704, 1097200, 1124630, 1384160, 1730200, 1799408, 2194400, 2249260, 2811575, 3460400, 3598816, 4498520, 5623150, 6920800, 8997040, 11246300, 17994080, 22492600, 44985200, 89970400]

約数ペア:

[(1, 89970400), (2, 44985200), (4, 22492600), (5, 17994080), (8, 11246300), (10, 8997040), (13, 6920800), (16, 5623150), (20, 4498520), (25, 3598816), (26, 3460400), (32, 2811575), (40, 2249260), (41, 2194400), (50, 1799408), (52, 1730200), (65, 1384160), (80, 1124630), (82, 1097200), (100, 899704), (104, 865100), (130, 692080), (160, 562315), (164, 548600), (200, 449852), (205, 438880), (208, 432550), (211, 426400), (260, 346040), (325, 276832), (328, 274300), (400, 224926), (410, 219440), (416, 216275), (422, 213200), (520, 173020), (533, 168800), (650, 138416), (656, 137150), (800, 112463), (820, 109720), (844, 106600), (1025, 87776), (1040, 86510), (1055, 85280), (1066, 84400), (1300, 69208), (1312, 68575), (1640, 54860), (1688, 53300), (2050, 43888), (2080, 43255), (2110, 42640), (2132, 42200), (2600, 34604), (2665, 33760), (2743, 32800), (3280, 27430), (3376, 26650), (4100, 21944), (4220, 21320), (4264, 21100), (5200, 17302), (5275, 17056), (5330, 16880), (5486, 16400), (6560, 13715), (6752, 13325), (8200, 10972), (8440, 10660), (8528, 10550), (8651, 10400)]