138492500

素因数分解:

$2^2\times 5^4\times {\mathrm{31}}^1\times {\mathrm{1787}}^1$

素因数の和:1842

約数の個数: 60

約数和(自身を含む): 312799872

約数和(自身を除く): 174307372

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 50, 62, 100, 124, 125, 155, 250, 310, 500, 620, 625, 775, 1250, 1550, 1787, 2500, 3100, 3574, 3875, 7148, 7750, 8935, 15500, 17870, 19375, 35740, 38750, 44675, 55397, 77500, 89350, 110794, 178700, 221588, 223375, 276985, 446750, 553970, 893500, 1107940, 1116875, 1384925, 2233750, 2769850, 4467500, 5539700, 6924625, 13849250, 27698500, 34623125, 69246250, 138492500]

約数ペア:

[(1, 138492500), (2, 69246250), (4, 34623125), (5, 27698500), (10, 13849250), (20, 6924625), (25, 5539700), (31, 4467500), (50, 2769850), (62, 2233750), (100, 1384925), (124, 1116875), (125, 1107940), (155, 893500), (250, 553970), (310, 446750), (500, 276985), (620, 223375), (625, 221588), (775, 178700), (1250, 110794), (1550, 89350), (1787, 77500), (2500, 55397), (3100, 44675), (3574, 38750), (3875, 35740), (7148, 19375), (7750, 17870), (8935, 15500)]