29367920

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{139}}^2$

素因数の和:310

約数の個数: 60

約数和(自身を含む): 72394920

約数和(自身を除く): 43027000

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 139, 152, 190, 278, 304, 380, 556, 695, 760, 1112, 1390, 1520, 2224, 2641, 2780, 5282, 5560, 10564, 11120, 13205, 19321, 21128, 26410, 38642, 42256, 52820, 77284, 96605, 105640, 154568, 193210, 211280, 309136, 367099, 386420, 734198, 772840, 1468396, 1545680, 1835495, 2936792, 3670990, 5873584, 7341980, 14683960, 29367920]

約数ペア:

[(1, 29367920), (2, 14683960), (4, 7341980), (5, 5873584), (8, 3670990), (10, 2936792), (16, 1835495), (19, 1545680), (20, 1468396), (38, 772840), (40, 734198), (76, 386420), (80, 367099), (95, 309136), (139, 211280), (152, 193210), (190, 154568), (278, 105640), (304, 96605), (380, 77284), (556, 52820), (695, 42256), (760, 38642), (1112, 26410), (1390, 21128), (1520, 19321), (2224, 13205), (2641, 11120), (2780, 10564), (5282, 5560)]