126720250

素因数分解:

$2^1\times 5^3\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{197}}^1$

素因数の和:328

約数の個数: 64

約数和(自身を含む): 249080832

約数和(自身を除く): 122360582

約数列:

[1, 2, 5, 10, 25, 31, 50, 62, 83, 125, 155, 166, 197, 250, 310, 394, 415, 775, 830, 985, 1550, 1970, 2075, 2573, 3875, 4150, 4925, 5146, 6107, 7750, 9850, 10375, 12214, 12865, 16351, 20750, 24625, 25730, 30535, 32702, 49250, 61070, 64325, 81755, 128650, 152675, 163510, 305350, 321625, 408775, 506881, 643250, 763375, 817550, 1013762, 1526750, 2043875, 2534405, 4087750, 5068810, 12672025, 25344050, 63360125, 126720250]

約数ペア:

[(1, 126720250), (2, 63360125), (5, 25344050), (10, 12672025), (25, 5068810), (31, 4087750), (50, 2534405), (62, 2043875), (83, 1526750), (125, 1013762), (155, 817550), (166, 763375), (197, 643250), (250, 506881), (310, 408775), (394, 321625), (415, 305350), (775, 163510), (830, 152675), (985, 128650), (1550, 81755), (1970, 64325), (2075, 61070), (2573, 49250), (3875, 32702), (4150, 30535), (4925, 25730), (5146, 24625), (6107, 20750), (7750, 16351), (9850, 12865), (10375, 12214)]