408030340

素因数分解:

$2^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{103561}}^1$

素因数の和:103767

約数の個数: 24

約数和(自身を含む): 861221592

約数和(自身を除く): 453191252

約数列:

[1, 2, 4, 5, 10, 20, 197, 394, 788, 985, 1970, 3940, 103561, 207122, 414244, 517805, 1035610, 2071220, 20401517, 40803034, 81606068, 102007585, 204015170, 408030340]

約数ペア:

[(1, 408030340), (2, 204015170), (4, 102007585), (5, 81606068), (10, 40803034), (20, 20401517), (197, 2071220), (394, 1035610), (788, 517805), (985, 414244), (1970, 207122), (3940, 103561)]