31035620

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{2879}}^1$

素因数の和:2913

約数の個数: 72

約数和(自身を含む): 82736640

約数和(自身を除く): 51701020

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 49, 55, 70, 77, 98, 110, 140, 154, 196, 220, 245, 308, 385, 490, 539, 770, 980, 1078, 1540, 2156, 2695, 2879, 5390, 5758, 10780, 11516, 14395, 20153, 28790, 31669, 40306, 57580, 63338, 80612, 100765, 126676, 141071, 158345, 201530, 221683, 282142, 316690, 403060, 443366, 564284, 633380, 705355, 886732, 1108415, 1410710, 1551781, 2216830, 2821420, 3103562, 4433660, 6207124, 7758905, 15517810, 31035620]

約数ペア:

[(1, 31035620), (2, 15517810), (4, 7758905), (5, 6207124), (7, 4433660), (10, 3103562), (11, 2821420), (14, 2216830), (20, 1551781), (22, 1410710), (28, 1108415), (35, 886732), (44, 705355), (49, 633380), (55, 564284), (70, 443366), (77, 403060), (98, 316690), (110, 282142), (140, 221683), (154, 201530), (196, 158345), (220, 141071), (245, 126676), (308, 100765), (385, 80612), (490, 63338), (539, 57580), (770, 40306), (980, 31669), (1078, 28790), (1540, 20153), (2156, 14395), (2695, 11516), (2879, 10780), (5390, 5758)]