623324540

素因数分解:

$2^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{179}}^1\times {\mathrm{1109}}^1$

素因数の和:1454

約数の個数: 48

約数和(自身を含む): 1325872800

約数和(自身を除く): 702548260

約数列:

[1, 2, 4, 5, 10, 20, 157, 179, 314, 358, 628, 716, 785, 895, 1109, 1570, 1790, 2218, 3140, 3580, 4436, 5545, 11090, 22180, 28103, 56206, 112412, 140515, 174113, 198511, 281030, 348226, 397022, 562060, 696452, 794044, 870565, 992555, 1741130, 1985110, 3482260, 3970220, 31166227, 62332454, 124664908, 155831135, 311662270, 623324540]

約数ペア:

[(1, 623324540), (2, 311662270), (4, 155831135), (5, 124664908), (10, 62332454), (20, 31166227), (157, 3970220), (179, 3482260), (314, 1985110), (358, 1741130), (628, 992555), (716, 870565), (785, 794044), (895, 696452), (1109, 562060), (1570, 397022), (1790, 348226), (2218, 281030), (3140, 198511), (3580, 174113), (4436, 140515), (5545, 112412), (11090, 56206), (22180, 28103)]