198778840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{382267}}^1$

素因数の和:382291

約数の個数: 32

約数和(自身を含む): 481657680

約数和(自身を除く): 282878840

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 382267, 764534, 1529068, 1911335, 3058136, 3822670, 4969471, 7645340, 9938942, 15290680, 19877884, 24847355, 39755768, 49694710, 99389420, 198778840]

約数ペア:

[(1, 198778840), (2, 99389420), (4, 49694710), (5, 39755768), (8, 24847355), (10, 19877884), (13, 15290680), (20, 9938942), (26, 7645340), (40, 4969471), (52, 3822670), (65, 3058136), (104, 1911335), (130, 1529068), (260, 764534), (520, 382267)]