139692500

素因数分解:

$2^2\times 5^4\times {\mathrm{71}}^1\times {\mathrm{787}}^1$

素因数の和:882

約数の個数: 60

約数和(自身を含む): 310175712

約数和(自身を除く): 170483212

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 71, 100, 125, 142, 250, 284, 355, 500, 625, 710, 787, 1250, 1420, 1574, 1775, 2500, 3148, 3550, 3935, 7100, 7870, 8875, 15740, 17750, 19675, 35500, 39350, 44375, 55877, 78700, 88750, 98375, 111754, 177500, 196750, 223508, 279385, 393500, 491875, 558770, 983750, 1117540, 1396925, 1967500, 2793850, 5587700, 6984625, 13969250, 27938500, 34923125, 69846250, 139692500]

約数ペア:

[(1, 139692500), (2, 69846250), (4, 34923125), (5, 27938500), (10, 13969250), (20, 6984625), (25, 5587700), (50, 2793850), (71, 1967500), (100, 1396925), (125, 1117540), (142, 983750), (250, 558770), (284, 491875), (355, 393500), (500, 279385), (625, 223508), (710, 196750), (787, 177500), (1250, 111754), (1420, 98375), (1574, 88750), (1775, 78700), (2500, 55877), (3148, 44375), (3550, 39350), (3935, 35500), (7100, 19675), (7870, 17750), (8875, 15740)]