159742850

素因数分解:

$2^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{191}}^1\times {\mathrm{389}}^1$

素因数の和:635

約数の個数: 48

約数和(自身を含む): 306408960

約数和(自身を除く): 146666110

約数列:

[1, 2, 5, 10, 25, 43, 50, 86, 191, 215, 382, 389, 430, 778, 955, 1075, 1910, 1945, 2150, 3890, 4775, 8213, 9550, 9725, 16426, 16727, 19450, 33454, 41065, 74299, 82130, 83635, 148598, 167270, 205325, 371495, 410650, 418175, 742990, 836350, 1857475, 3194857, 3714950, 6389714, 15974285, 31948570, 79871425, 159742850]

約数ペア:

[(1, 159742850), (2, 79871425), (5, 31948570), (10, 15974285), (25, 6389714), (43, 3714950), (50, 3194857), (86, 1857475), (191, 836350), (215, 742990), (382, 418175), (389, 410650), (430, 371495), (778, 205325), (955, 167270), (1075, 148598), (1910, 83635), (1945, 82130), (2150, 74299), (3890, 41065), (4775, 33454), (8213, 19450), (9550, 16727), (9725, 16426)]