31313150

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{197}}^1$

素因数の和:254

約数の個数: 72

約数和(自身を含む): 67837176

約数和(自身を除く): 36524026

約数列:

[1, 2, 5, 10, 11, 17, 22, 25, 34, 50, 55, 85, 110, 170, 187, 197, 275, 289, 374, 394, 425, 550, 578, 850, 935, 985, 1445, 1870, 1970, 2167, 2890, 3179, 3349, 4334, 4675, 4925, 6358, 6698, 7225, 9350, 9850, 10835, 14450, 15895, 16745, 21670, 31790, 33490, 36839, 54175, 56933, 73678, 79475, 83725, 108350, 113866, 158950, 167450, 184195, 284665, 368390, 569330, 626263, 920975, 1252526, 1423325, 1841950, 2846650, 3131315, 6262630, 15656575, 31313150]

約数ペア:

[(1, 31313150), (2, 15656575), (5, 6262630), (10, 3131315), (11, 2846650), (17, 1841950), (22, 1423325), (25, 1252526), (34, 920975), (50, 626263), (55, 569330), (85, 368390), (110, 284665), (170, 184195), (187, 167450), (197, 158950), (275, 113866), (289, 108350), (374, 83725), (394, 79475), (425, 73678), (550, 56933), (578, 54175), (850, 36839), (935, 33490), (985, 31790), (1445, 21670), (1870, 16745), (1970, 15895), (2167, 14450), (2890, 10835), (3179, 9850), (3349, 9350), (4334, 7225), (4675, 6698), (4925, 6358)]