2017861325

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{101}}^1\times {\mathrm{1621}}^1$

素因数の和:1778

約数の個数: 48

約数和(自身を含む): 2769532560

約数和(自身を除く): 751671235

約数列:

[1, 5, 17, 25, 29, 85, 101, 145, 425, 493, 505, 725, 1621, 1717, 2465, 2525, 2929, 8105, 8585, 12325, 14645, 27557, 40525, 42925, 47009, 49793, 73225, 137785, 163721, 235045, 248965, 688925, 799153, 818605, 1175225, 1244825, 2783257, 3995765, 4093025, 4747909, 13916285, 19978825, 23739545, 69581425, 80714453, 118697725, 403572265, 2017861325]

約数ペア:

[(1, 2017861325), (5, 403572265), (17, 118697725), (25, 80714453), (29, 69581425), (85, 23739545), (101, 19978825), (145, 13916285), (425, 4747909), (493, 4093025), (505, 3995765), (725, 2783257), (1621, 1244825), (1717, 1175225), (2465, 818605), (2525, 799153), (2929, 688925), (8105, 248965), (8585, 235045), (12325, 163721), (14645, 137785), (27557, 73225), (40525, 49793), (42925, 47009)]