68490625

素因数分解:

$5^5\times 7^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1$

素因数の和:164

約数の個数: 48

約数和(自身を含む): 101993472

約数和(自身を除く): 33502847

約数列:

[1, 5, 7, 25, 31, 35, 101, 125, 155, 175, 217, 505, 625, 707, 775, 875, 1085, 2525, 3125, 3131, 3535, 3875, 4375, 5425, 12625, 15655, 17675, 19375, 21875, 21917, 27125, 63125, 78275, 88375, 96875, 109585, 135625, 315625, 391375, 441875, 547925, 678125, 1956875, 2209375, 2739625, 9784375, 13698125, 68490625]

約数ペア:

[(1, 68490625), (5, 13698125), (7, 9784375), (25, 2739625), (31, 2209375), (35, 1956875), (101, 678125), (125, 547925), (155, 441875), (175, 391375), (217, 315625), (505, 135625), (625, 109585), (707, 96875), (775, 88375), (875, 78275), (1085, 63125), (2525, 27125), (3125, 21917), (3131, 21875), (3535, 19375), (3875, 17675), (4375, 15655), (5425, 12625)]