87183940

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{233}}^1\times {\mathrm{353}}^1$

素因数の和:648

約数の個数: 48

約数和(自身を含む): 187872048

約数和(自身を除く): 100688108

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 212, 233, 265, 353, 466, 530, 706, 932, 1060, 1165, 1412, 1765, 2330, 3530, 4660, 7060, 12349, 18709, 24698, 37418, 49396, 61745, 74836, 82249, 93545, 123490, 164498, 187090, 246980, 328996, 374180, 411245, 822490, 1644980, 4359197, 8718394, 17436788, 21795985, 43591970, 87183940]

約数ペア:

[(1, 87183940), (2, 43591970), (4, 21795985), (5, 17436788), (10, 8718394), (20, 4359197), (53, 1644980), (106, 822490), (212, 411245), (233, 374180), (265, 328996), (353, 246980), (466, 187090), (530, 164498), (706, 123490), (932, 93545), (1060, 82249), (1165, 74836), (1412, 61745), (1765, 49396), (2330, 37418), (3530, 24698), (4660, 18709), (7060, 12349)]