521302390

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{37423}}^1$

素因数の和:37636

約数の個数: 32

約数和(自身を含む): 1077811200

約数和(自身を除く): 556508810

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 199, 398, 995, 1393, 1990, 2786, 6965, 13930, 37423, 74846, 187115, 261961, 374230, 523922, 1309805, 2619610, 7447177, 14894354, 37235885, 52130239, 74471770, 104260478, 260651195, 521302390]

約数ペア:

[(1, 521302390), (2, 260651195), (5, 104260478), (7, 74471770), (10, 52130239), (14, 37235885), (35, 14894354), (70, 7447177), (199, 2619610), (398, 1309805), (995, 523922), (1393, 374230), (1990, 261961), (2786, 187115), (6965, 74846), (13930, 37423)]