385036340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1480909}}^1$

素因数の和:1480931

約数の個数: 24

約数和(自身を含む): 870775080

約数和(自身を除く): 485738740

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 1480909, 2961818, 5923636, 7404545, 14809090, 19251817, 29618180, 38503634, 77007268, 96259085, 192518170, 385036340]

約数ペア:

[(1, 385036340), (2, 192518170), (4, 96259085), (5, 77007268), (10, 38503634), (13, 29618180), (20, 19251817), (26, 14809090), (52, 7404545), (65, 5923636), (130, 2961818), (260, 1480909)]