314628920

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{253733}}^1$

素因数の和:253775

約数の個数: 32

約数和(自身を含む): 730753920

約数和(自身を除く): 416125000

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 253733, 507466, 1014932, 1268665, 2029864, 2537330, 5074660, 7865723, 10149320, 15731446, 31462892, 39328615, 62925784, 78657230, 157314460, 314628920]

約数ペア:

[(1, 314628920), (2, 157314460), (4, 78657230), (5, 62925784), (8, 39328615), (10, 31462892), (20, 15731446), (31, 10149320), (40, 7865723), (62, 5074660), (124, 2537330), (155, 2029864), (248, 1268665), (310, 1014932), (620, 507466), (1240, 253733)]