291256550

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{2749}}^1$

素因数の和:2937

約数の個数: 48

約数和(自身を含む): 587202000

約数和(自身を除く): 295945450

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 163, 325, 326, 650, 815, 1630, 2119, 2749, 4075, 4238, 5498, 8150, 10595, 13745, 21190, 27490, 35737, 52975, 68725, 71474, 105950, 137450, 178685, 357370, 448087, 893425, 896174, 1786850, 2240435, 4480870, 5825131, 11202175, 11650262, 22404350, 29125655, 58251310, 145628275, 291256550]

約数ペア:

[(1, 291256550), (2, 145628275), (5, 58251310), (10, 29125655), (13, 22404350), (25, 11650262), (26, 11202175), (50, 5825131), (65, 4480870), (130, 2240435), (163, 1786850), (325, 896174), (326, 893425), (650, 448087), (815, 357370), (1630, 178685), (2119, 137450), (2749, 105950), (4075, 71474), (4238, 68725), (5498, 52975), (8150, 35737), (10595, 27490), (13745, 21190)]