856557580

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{251}}^1\times {\mathrm{10037}}^1$

素因数の和:10314

約数の個数: 48

約数和(自身を含む): 1912359456

約数和(自身を除く): 1055801876

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 251, 340, 502, 1004, 1255, 2510, 4267, 5020, 8534, 10037, 17068, 20074, 21335, 40148, 42670, 50185, 85340, 100370, 170629, 200740, 341258, 682516, 853145, 1706290, 2519287, 3412580, 5038574, 10077148, 12596435, 25192870, 42827879, 50385740, 85655758, 171311516, 214139395, 428278790, 856557580]

約数ペア:

[(1, 856557580), (2, 428278790), (4, 214139395), (5, 171311516), (10, 85655758), (17, 50385740), (20, 42827879), (34, 25192870), (68, 12596435), (85, 10077148), (170, 5038574), (251, 3412580), (340, 2519287), (502, 1706290), (1004, 853145), (1255, 682516), (2510, 341258), (4267, 200740), (5020, 170629), (8534, 100370), (10037, 85340), (17068, 50185), (20074, 42670), (21335, 40148)]