194920490020

素因数分解:

$2^2\times 5^1\times {\mathrm{457}}^1\times {\mathrm{521}}^1\times {\mathrm{40933}}^1$

素因数の和:41920

約数の個数: 48

約数和(自身を含む): 411026153328

約数和(自身を除く): 216105663308

約数列:

[1, 2, 4, 5, 10, 20, 457, 521, 914, 1042, 1828, 2084, 2285, 2605, 4570, 5210, 9140, 10420, 40933, 81866, 163732, 204665, 238097, 409330, 476194, 818660, 952388, 1190485, 2380970, 4761940, 18706381, 21326093, 37412762, 42652186, 74825524, 85304372, 93531905, 106630465, 187063810, 213260930, 374127620, 426521860, 9746024501, 19492049002, 38984098004, 48730122505, 97460245010, 194920490020]

約数ペア:

[(1, 194920490020), (2, 97460245010), (4, 48730122505), (5, 38984098004), (10, 19492049002), (20, 9746024501), (457, 426521860), (521, 374127620), (914, 213260930), (1042, 187063810), (1828, 106630465), (2084, 93531905), (2285, 85304372), (2605, 74825524), (4570, 42652186), (5210, 37412762), (9140, 21326093), (10420, 18706381), (40933, 4761940), (81866, 2380970), (163732, 1190485), (204665, 952388), (238097, 818660), (409330, 476194)]