156979330

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{347}}^1\times {\mathrm{2381}}^1$

素因数の和:2754

約数の個数: 32

約数和(自身を含む): 298416960

約数和(自身を除く): 141437630

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 347, 694, 1735, 2381, 3470, 4762, 6593, 11905, 13186, 23810, 32965, 45239, 65930, 90478, 226195, 452390, 826207, 1652414, 4131035, 8262070, 15697933, 31395866, 78489665, 156979330]

約数ペア:

[(1, 156979330), (2, 78489665), (5, 31395866), (10, 15697933), (19, 8262070), (38, 4131035), (95, 1652414), (190, 826207), (347, 452390), (694, 226195), (1735, 90478), (2381, 65930), (3470, 45239), (4762, 32965), (6593, 23810), (11905, 13186)]