91091980

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{92951}}^1$

素因数の和:92974

約数の個数: 36

約数和(自身を含む): 222527088

約数和(自身を除く): 131435108

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 92951, 185902, 371804, 464755, 650657, 929510, 1301314, 1859020, 2602628, 3253285, 4554599, 6506570, 9109198, 13013140, 18218396, 22772995, 45545990, 91091980]

約数ペア:

[(1, 91091980), (2, 45545990), (4, 22772995), (5, 18218396), (7, 13013140), (10, 9109198), (14, 6506570), (20, 4554599), (28, 3253285), (35, 2602628), (49, 1859020), (70, 1301314), (98, 929510), (140, 650657), (196, 464755), (245, 371804), (490, 185902), (980, 92951)]