223669420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{860267}}^1$

素因数の和:860289

約数の個数: 24

約数和(自身を含む): 505837584

約数和(自身を除く): 282168164

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 860267, 1720534, 3441068, 4301335, 8602670, 11183471, 17205340, 22366942, 44733884, 55917355, 111834710, 223669420]

約数ペア:

[(1, 223669420), (2, 111834710), (4, 55917355), (5, 44733884), (10, 22366942), (13, 17205340), (20, 11183471), (26, 8602670), (52, 4301335), (65, 3441068), (130, 1720534), (260, 860267)]