8187620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{233}}^1\times {\mathrm{251}}^1$

素因数の和:500

約数の個数: 48

約数和(自身を含む): 19813248

約数和(自身を除く): 11625628

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 233, 251, 466, 502, 932, 1004, 1165, 1255, 1631, 1757, 2330, 2510, 3262, 3514, 4660, 5020, 6524, 7028, 8155, 8785, 16310, 17570, 32620, 35140, 58483, 116966, 233932, 292415, 409381, 584830, 818762, 1169660, 1637524, 2046905, 4093810, 8187620]

約数ペア:

[(1, 8187620), (2, 4093810), (4, 2046905), (5, 1637524), (7, 1169660), (10, 818762), (14, 584830), (20, 409381), (28, 292415), (35, 233932), (70, 116966), (140, 58483), (233, 35140), (251, 32620), (466, 17570), (502, 16310), (932, 8785), (1004, 8155), (1165, 7028), (1255, 6524), (1631, 5020), (1757, 4660), (2330, 3514), (2510, 3262)]