7821010

素因数分解:

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

素因数の和:366

約数の個数: 32

約数和(自身を含む): 14742000

約数和(自身を除く): 6920990

約数列:

[1, 2, 5, 10, 29, 58, 145, 149, 181, 290, 298, 362, 745, 905, 1490, 1810, 4321, 5249, 8642, 10498, 21605, 26245, 26969, 43210, 52490, 53938, 134845, 269690, 782101, 1564202, 3910505, 7821010]

約数ペア:

[(1, 7821010), (2, 3910505), (5, 1564202), (10, 782101), (29, 269690), (58, 134845), (145, 53938), (149, 52490), (181, 43210), (290, 26969), (298, 26245), (362, 21605), (745, 10498), (905, 8642), (1490, 5249), (1810, 4321)]