203820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1$

素因数の和:134

約数の個数: 48

約数和(自身を含む): 591360

約数和(自身を除く): 387540

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 43, 60, 79, 86, 129, 158, 172, 215, 237, 258, 316, 395, 430, 474, 516, 645, 790, 860, 948, 1185, 1290, 1580, 2370, 2580, 3397, 4740, 6794, 10191, 13588, 16985, 20382, 33970, 40764, 50955, 67940, 101910, 203820]

約数ペア:

[(1, 203820), (2, 101910), (3, 67940), (4, 50955), (5, 40764), (6, 33970), (10, 20382), (12, 16985), (15, 13588), (20, 10191), (30, 6794), (43, 4740), (60, 3397), (79, 2580), (86, 2370), (129, 1580), (158, 1290), (172, 1185), (215, 948), (237, 860), (258, 790), (316, 645), (395, 516), (430, 474)]