31284040

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{149}}^1\times {\mathrm{181}}^1$

素因数の和:370

約数の個数: 64

約数和(自身を含む): 73710000

約数和(自身を除く): 42425960

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 149, 181, 232, 290, 298, 362, 580, 596, 724, 745, 905, 1160, 1192, 1448, 1490, 1810, 2980, 3620, 4321, 5249, 5960, 7240, 8642, 10498, 17284, 20996, 21605, 26245, 26969, 34568, 41992, 43210, 52490, 53938, 86420, 104980, 107876, 134845, 172840, 209960, 215752, 269690, 539380, 782101, 1078760, 1564202, 3128404, 3910505, 6256808, 7821010, 15642020, 31284040]

約数ペア:

[(1, 31284040), (2, 15642020), (4, 7821010), (5, 6256808), (8, 3910505), (10, 3128404), (20, 1564202), (29, 1078760), (40, 782101), (58, 539380), (116, 269690), (145, 215752), (149, 209960), (181, 172840), (232, 134845), (290, 107876), (298, 104980), (362, 86420), (580, 53938), (596, 52490), (724, 43210), (745, 41992), (905, 34568), (1160, 26969), (1192, 26245), (1448, 21605), (1490, 20996), (1810, 17284), (2980, 10498), (3620, 8642), (4321, 7240), (5249, 5960)]