13571780

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{179}}^1\times {\mathrm{223}}^1$

素因数の和:428

約数の個数: 48

約数和(自身を含む): 30481920

約数和(自身を除く): 16910140

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 179, 223, 340, 358, 446, 716, 892, 895, 1115, 1790, 2230, 3043, 3580, 3791, 4460, 6086, 7582, 12172, 15164, 15215, 18955, 30430, 37910, 39917, 60860, 75820, 79834, 159668, 199585, 399170, 678589, 798340, 1357178, 2714356, 3392945, 6785890, 13571780]

約数ペア:

[(1, 13571780), (2, 6785890), (4, 3392945), (5, 2714356), (10, 1357178), (17, 798340), (20, 678589), (34, 399170), (68, 199585), (85, 159668), (170, 79834), (179, 75820), (223, 60860), (340, 39917), (358, 37910), (446, 30430), (716, 18955), (892, 15215), (895, 15164), (1115, 12172), (1790, 7582), (2230, 6086), (3043, 4460), (3580, 3791)]