388523740

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{181}}^1\times {\mathrm{887}}^1$

素因数の和:1099

約数の個数: 72

約数和(自身を含む): 902786976

約数和(自身を除く): 514263236

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 181, 220, 242, 362, 484, 605, 724, 887, 905, 1210, 1774, 1810, 1991, 2420, 3548, 3620, 3982, 4435, 7964, 8870, 9757, 9955, 17740, 19514, 19910, 21901, 39028, 39820, 43802, 48785, 87604, 97570, 107327, 109505, 160547, 195140, 214654, 219010, 321094, 429308, 438020, 536635, 642188, 802735, 1073270, 1605470, 1766017, 2146540, 3210940, 3532034, 7064068, 8830085, 17660170, 19426187, 35320340, 38852374, 77704748, 97130935, 194261870, 388523740]

約数ペア:

[(1, 388523740), (2, 194261870), (4, 97130935), (5, 77704748), (10, 38852374), (11, 35320340), (20, 19426187), (22, 17660170), (44, 8830085), (55, 7064068), (110, 3532034), (121, 3210940), (181, 2146540), (220, 1766017), (242, 1605470), (362, 1073270), (484, 802735), (605, 642188), (724, 536635), (887, 438020), (905, 429308), (1210, 321094), (1774, 219010), (1810, 214654), (1991, 195140), (2420, 160547), (3548, 109505), (3620, 107327), (3982, 97570), (4435, 87604), (7964, 48785), (8870, 43802), (9757, 39820), (9955, 39028), (17740, 21901), (19514, 19910)]