1257989140

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{317}}^1\times {\mathrm{8627}}^1$

素因数の和:8976

約数の個数: 48

約数和(自身を含む): 2765653632

約数和(自身を除く): 1507664492

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 317, 460, 634, 1268, 1585, 3170, 6340, 7291, 8627, 14582, 17254, 29164, 34508, 36455, 43135, 72910, 86270, 145820, 172540, 198421, 396842, 793684, 992105, 1984210, 2734759, 3968420, 5469518, 10939036, 13673795, 27347590, 54695180, 62899457, 125798914, 251597828, 314497285, 628994570, 1257989140]

約数ペア:

[(1, 1257989140), (2, 628994570), (4, 314497285), (5, 251597828), (10, 125798914), (20, 62899457), (23, 54695180), (46, 27347590), (92, 13673795), (115, 10939036), (230, 5469518), (317, 3968420), (460, 2734759), (634, 1984210), (1268, 992105), (1585, 793684), (3170, 396842), (6340, 198421), (7291, 172540), (8627, 145820), (14582, 86270), (17254, 72910), (29164, 43135), (34508, 36455)]