129307450

素因数分解:

$2^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{137}}^1\times {\mathrm{439}}^1$

素因数の和:631

約数の個数: 48

約数和(自身を含む): 248466240

約数和(自身を除く): 119158790

約数列:

[1, 2, 5, 10, 25, 43, 50, 86, 137, 215, 274, 430, 439, 685, 878, 1075, 1370, 2150, 2195, 3425, 4390, 5891, 6850, 10975, 11782, 18877, 21950, 29455, 37754, 58910, 60143, 94385, 120286, 147275, 188770, 294550, 300715, 471925, 601430, 943850, 1503575, 2586149, 3007150, 5172298, 12930745, 25861490, 64653725, 129307450]

約数ペア:

[(1, 129307450), (2, 64653725), (5, 25861490), (10, 12930745), (25, 5172298), (43, 3007150), (50, 2586149), (86, 1503575), (137, 943850), (215, 601430), (274, 471925), (430, 300715), (439, 294550), (685, 188770), (878, 147275), (1075, 120286), (1370, 94385), (2150, 60143), (2195, 58910), (3425, 37754), (4390, 29455), (5891, 21950), (6850, 18877), (10975, 11782)]