17940125

素因数分解:

$5^3\times 7^2\times {\mathrm{29}}^1\times {\mathrm{101}}^1$

素因数の和:159

約数の個数: 48

約数和(自身を含む): 27209520

約数和(自身を除く): 9269395

約数列:

[1, 5, 7, 25, 29, 35, 49, 101, 125, 145, 175, 203, 245, 505, 707, 725, 875, 1015, 1225, 1421, 2525, 2929, 3535, 3625, 4949, 5075, 6125, 7105, 12625, 14645, 17675, 20503, 24745, 25375, 35525, 73225, 88375, 102515, 123725, 143521, 177625, 366125, 512575, 618625, 717605, 2562875, 3588025, 17940125]

約数ペア:

[(1, 17940125), (5, 3588025), (7, 2562875), (25, 717605), (29, 618625), (35, 512575), (49, 366125), (101, 177625), (125, 143521), (145, 123725), (175, 102515), (203, 88375), (245, 73225), (505, 35525), (707, 25375), (725, 24745), (875, 20503), (1015, 17675), (1225, 14645), (1421, 12625), (2525, 7105), (2929, 6125), (3535, 5075), (3625, 4949)]