173408980

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{4211}}^1$

素因数の和:4320

約数の個数: 48

約数和(自身を含む): 382112640

約数和(自身を除く): 208703660

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 71, 116, 142, 145, 284, 290, 355, 580, 710, 1420, 2059, 4118, 4211, 8236, 8422, 10295, 16844, 20590, 21055, 41180, 42110, 84220, 122119, 244238, 298981, 488476, 597962, 610595, 1195924, 1221190, 1494905, 2442380, 2989810, 5979620, 8670449, 17340898, 34681796, 43352245, 86704490, 173408980]

約数ペア:

[(1, 173408980), (2, 86704490), (4, 43352245), (5, 34681796), (10, 17340898), (20, 8670449), (29, 5979620), (58, 2989810), (71, 2442380), (116, 1494905), (142, 1221190), (145, 1195924), (284, 610595), (290, 597962), (355, 488476), (580, 298981), (710, 244238), (1420, 122119), (2059, 84220), (4118, 42110), (4211, 41180), (8236, 21055), (8422, 20590), (10295, 16844)]