56954780

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{2111}}^1$

素因数の和:2210

約数の個数: 48

約数和(自身を含む): 127733760

約数和(自身を除く): 70778980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 71, 76, 95, 142, 190, 284, 355, 380, 710, 1349, 1420, 2111, 2698, 4222, 5396, 6745, 8444, 10555, 13490, 21110, 26980, 40109, 42220, 80218, 149881, 160436, 200545, 299762, 401090, 599524, 749405, 802180, 1498810, 2847739, 2997620, 5695478, 11390956, 14238695, 28477390, 56954780]

約数ペア:

[(1, 56954780), (2, 28477390), (4, 14238695), (5, 11390956), (10, 5695478), (19, 2997620), (20, 2847739), (38, 1498810), (71, 802180), (76, 749405), (95, 599524), (142, 401090), (190, 299762), (284, 200545), (355, 160436), (380, 149881), (710, 80218), (1349, 42220), (1420, 40109), (2111, 26980), (2698, 21110), (4222, 13490), (5396, 10555), (6745, 8444)]