13723420

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{181}}^1\times {\mathrm{223}}^1$

素因数の和:430

約数の個数: 48

約数和(自身を含む): 30820608

約数和(自身を除く): 17097188

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 181, 223, 340, 362, 446, 724, 892, 905, 1115, 1810, 2230, 3077, 3620, 3791, 4460, 6154, 7582, 12308, 15164, 15385, 18955, 30770, 37910, 40363, 61540, 75820, 80726, 161452, 201815, 403630, 686171, 807260, 1372342, 2744684, 3430855, 6861710, 13723420]

約数ペア:

[(1, 13723420), (2, 6861710), (4, 3430855), (5, 2744684), (10, 1372342), (17, 807260), (20, 686171), (34, 403630), (68, 201815), (85, 161452), (170, 80726), (181, 75820), (223, 61540), (340, 40363), (362, 37910), (446, 30770), (724, 18955), (892, 15385), (905, 15164), (1115, 12308), (1810, 7582), (2230, 6154), (3077, 4460), (3620, 3791)]