407290

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{241}}^1$

素因数の和:274

約数の個数: 24

約数和(自身を含む): 797148

約数和(自身を除く): 389858

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 169, 241, 338, 482, 845, 1205, 1690, 2410, 3133, 6266, 15665, 31330, 40729, 81458, 203645, 407290]

約数ペア:

[(1, 407290), (2, 203645), (5, 81458), (10, 40729), (13, 31330), (26, 15665), (65, 6266), (130, 3133), (169, 2410), (241, 1690), (338, 1205), (482, 845)]