378916460

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1457371}}^1$

素因数の和:1457393

約数の個数: 24

約数和(自身を含む): 856934736

約数和(自身を除く): 478018276

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 1457371, 2914742, 5829484, 7286855, 14573710, 18945823, 29147420, 37891646, 75783292, 94729115, 189458230, 378916460]

約数ペア:

[(1, 378916460), (2, 189458230), (4, 94729115), (5, 75783292), (10, 37891646), (13, 29147420), (20, 18945823), (26, 14573710), (52, 7286855), (65, 5829484), (130, 2914742), (260, 1457371)]