18215597450

素因数分解:

$2^1\times 5^2\times {\mathrm{29}}^2\times {\mathrm{101}}^1\times {\mathrm{4289}}^1$

素因数の和:4460

約数の個数: 72

約数和(自身を含む): 35445292740

約数和(自身を除く): 17229695290

約数列:

[1, 2, 5, 10, 25, 29, 50, 58, 101, 145, 202, 290, 505, 725, 841, 1010, 1450, 1682, 2525, 2929, 4205, 4289, 5050, 5858, 8410, 8578, 14645, 21025, 21445, 29290, 42050, 42890, 73225, 84941, 107225, 124381, 146450, 169882, 214450, 248762, 424705, 433189, 621905, 849410, 866378, 1243810, 2123525, 2165945, 3109525, 3607049, 4247050, 4331890, 6219050, 7214098, 10829725, 12562481, 18035245, 21659450, 25124962, 36070490, 62812405, 90176225, 125624810, 180352450, 314062025, 364311949, 628124050, 728623898, 1821559745, 3643119490, 9107798725, 18215597450]

約数ペア:

[(1, 18215597450), (2, 9107798725), (5, 3643119490), (10, 1821559745), (25, 728623898), (29, 628124050), (50, 364311949), (58, 314062025), (101, 180352450), (145, 125624810), (202, 90176225), (290, 62812405), (505, 36070490), (725, 25124962), (841, 21659450), (1010, 18035245), (1450, 12562481), (1682, 10829725), (2525, 7214098), (2929, 6219050), (4205, 4331890), (4289, 4247050), (5050, 3607049), (5858, 3109525), (8410, 2165945), (8578, 2123525), (14645, 1243810), (21025, 866378), (21445, 849410), (29290, 621905), (42050, 433189), (42890, 424705), (73225, 248762), (84941, 214450), (107225, 169882), (124381, 146450)]