631410100

素因数分解:

$2^2\times 5^2\times {\mathrm{71}}^1\times {\mathrm{113}}^1\times {\mathrm{787}}^1$

素因数の和:985

約数の個数: 72

約数和(自身を含む): 1403535168

約数和(自身を除く): 772125068

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 71, 100, 113, 142, 226, 284, 355, 452, 565, 710, 787, 1130, 1420, 1574, 1775, 2260, 2825, 3148, 3550, 3935, 5650, 7100, 7870, 8023, 11300, 15740, 16046, 19675, 32092, 39350, 40115, 55877, 78700, 80230, 88931, 111754, 160460, 177862, 200575, 223508, 279385, 355724, 401150, 444655, 558770, 802300, 889310, 1117540, 1396925, 1778620, 2223275, 2793850, 4446550, 5587700, 6314101, 8893100, 12628202, 25256404, 31570505, 63141010, 126282020, 157852525, 315705050, 631410100]

約数ペア:

[(1, 631410100), (2, 315705050), (4, 157852525), (5, 126282020), (10, 63141010), (20, 31570505), (25, 25256404), (50, 12628202), (71, 8893100), (100, 6314101), (113, 5587700), (142, 4446550), (226, 2793850), (284, 2223275), (355, 1778620), (452, 1396925), (565, 1117540), (710, 889310), (787, 802300), (1130, 558770), (1420, 444655), (1574, 401150), (1775, 355724), (2260, 279385), (2825, 223508), (3148, 200575), (3550, 177862), (3935, 160460), (5650, 111754), (7100, 88931), (7870, 80230), (8023, 78700), (11300, 55877), (15740, 40115), (16046, 39350), (19675, 32092)]