315066760

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{110939}}^1$

素因数の和:111021

約数の個数: 32

約数和(自身を含む): 718891200

約数和(自身を除く): 403824440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 110939, 221878, 443756, 554695, 887512, 1109390, 2218780, 4437560, 7876669, 15753338, 31506676, 39383345, 63013352, 78766690, 157533380, 315066760]

約数ペア:

[(1, 315066760), (2, 157533380), (4, 78766690), (5, 63013352), (8, 39383345), (10, 31506676), (20, 15753338), (40, 7876669), (71, 4437560), (142, 2218780), (284, 1109390), (355, 887512), (568, 554695), (710, 443756), (1420, 221878), (2840, 110939)]