196802840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{378467}}^1$

素因数の和:378491

約数の個数: 32

約数和(自身を含む): 476869680

約数和(自身を除く): 280066840

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 378467, 756934, 1513868, 1892335, 3027736, 3784670, 4920071, 7569340, 9840142, 15138680, 19680284, 24600355, 39360568, 49200710, 98401420, 196802840]

約数ペア:

[(1, 196802840), (2, 98401420), (4, 49200710), (5, 39360568), (8, 24600355), (10, 19680284), (13, 15138680), (20, 9840142), (26, 7569340), (40, 4920071), (52, 3784670), (65, 3027736), (104, 1892335), (130, 1513868), (260, 756934), (520, 378467)]