201695990

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{101}}^1\times {\mathrm{691}}^1$

素因数の和:833

約数の個数: 48

約数和(自身を含む): 390047184

約数和(自身を除く): 188351194

約数列:

[1, 2, 5, 10, 17, 34, 85, 101, 170, 202, 289, 505, 578, 691, 1010, 1382, 1445, 1717, 2890, 3434, 3455, 6910, 8585, 11747, 17170, 23494, 29189, 58378, 58735, 69791, 117470, 139582, 145945, 199699, 291890, 348955, 399398, 697910, 998495, 1186447, 1996990, 2372894, 5932235, 11864470, 20169599, 40339198, 100847995, 201695990]

約数ペア:

[(1, 201695990), (2, 100847995), (5, 40339198), (10, 20169599), (17, 11864470), (34, 5932235), (85, 2372894), (101, 1996990), (170, 1186447), (202, 998495), (289, 697910), (505, 399398), (578, 348955), (691, 291890), (1010, 199699), (1382, 145945), (1445, 139582), (1717, 117470), (2890, 69791), (3434, 58735), (3455, 58378), (6910, 29189), (8585, 23494), (11747, 17170)]