210023780

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{617717}}^1$

素因数の和:617743

約数の個数: 24

約数和(自身を含む): 466994808

約数和(自身を除く): 256971028

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 617717, 1235434, 2470868, 3088585, 6177170, 10501189, 12354340, 21002378, 42004756, 52505945, 105011890, 210023780]

約数ペア:

[(1, 210023780), (2, 105011890), (4, 52505945), (5, 42004756), (10, 21002378), (17, 12354340), (20, 10501189), (34, 6177170), (68, 3088585), (85, 2470868), (170, 1235434), (340, 617717)]