328921360

素因数分解:

$2^4\times 5^1\times {\mathrm{239}}^1\times {\mathrm{17203}}^1$

素因数の和:17455

約数の個数: 40

約数和(自身を含む): 767986560

約数和(自身を除く): 439065200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 239, 478, 956, 1195, 1912, 2390, 3824, 4780, 9560, 17203, 19120, 34406, 68812, 86015, 137624, 172030, 275248, 344060, 688120, 1376240, 4111517, 8223034, 16446068, 20557585, 32892136, 41115170, 65784272, 82230340, 164460680, 328921360]

約数ペア:

[(1, 328921360), (2, 164460680), (4, 82230340), (5, 65784272), (8, 41115170), (10, 32892136), (16, 20557585), (20, 16446068), (40, 8223034), (80, 4111517), (239, 1376240), (478, 688120), (956, 344060), (1195, 275248), (1912, 172030), (2390, 137624), (3824, 86015), (4780, 68812), (9560, 34406), (17203, 19120)]