51890740

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{1583}}^1$

素因数の和:1752

約数の個数: 48

約数和(自身を含む): 119750400

約数和(自身を除く): 67859660

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 149, 220, 298, 596, 745, 1490, 1583, 1639, 2980, 3166, 3278, 6332, 6556, 7915, 8195, 15830, 16390, 17413, 31660, 32780, 34826, 69652, 87065, 174130, 235867, 348260, 471734, 943468, 1179335, 2358670, 2594537, 4717340, 5189074, 10378148, 12972685, 25945370, 51890740]

約数ペア:

[(1, 51890740), (2, 25945370), (4, 12972685), (5, 10378148), (10, 5189074), (11, 4717340), (20, 2594537), (22, 2358670), (44, 1179335), (55, 943468), (110, 471734), (149, 348260), (220, 235867), (298, 174130), (596, 87065), (745, 69652), (1490, 34826), (1583, 32780), (1639, 31660), (2980, 17413), (3166, 16390), (3278, 15830), (6332, 8195), (6556, 7915)]