489394090

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{577}}^1\times {\mathrm{953}}^1$

素因数の和:1626

約数の個数: 32

約数和(自身を含む): 893287440

約数和(自身を除く): 403893350

約数列:

[1, 2, 5, 10, 89, 178, 445, 577, 890, 953, 1154, 1906, 2885, 4765, 5770, 9530, 51353, 84817, 102706, 169634, 256765, 424085, 513530, 549881, 848170, 1099762, 2749405, 5498810, 48939409, 97878818, 244697045, 489394090]

約数ペア:

[(1, 489394090), (2, 244697045), (5, 97878818), (10, 48939409), (89, 5498810), (178, 2749405), (445, 1099762), (577, 848170), (890, 549881), (953, 513530), (1154, 424085), (1906, 256765), (2885, 169634), (4765, 102706), (5770, 84817), (9530, 51353)]