315096520

素因数分解:

$2^3\times 5^1\times {\mathrm{191}}^1\times {\mathrm{41243}}^1$

素因数の和:41445

約数の個数: 32

約数和(自身を含む): 712696320

約数和(自身を除く): 397599800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 191, 382, 764, 955, 1528, 1910, 3820, 7640, 41243, 82486, 164972, 206215, 329944, 412430, 824860, 1649720, 7877413, 15754826, 31509652, 39387065, 63019304, 78774130, 157548260, 315096520]

約数ペア:

[(1, 315096520), (2, 157548260), (4, 78774130), (5, 63019304), (8, 39387065), (10, 31509652), (20, 15754826), (40, 7877413), (191, 1649720), (382, 824860), (764, 412430), (955, 329944), (1528, 206215), (1910, 164972), (3820, 82486), (7640, 41243)]