78552380

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{173}}^1\times {\mathrm{311}}^1$

素因数の和:566

約数の個数: 48

約数和(自身を含む): 168727104

約数和(自身を除く): 90174724

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 173, 292, 311, 346, 365, 622, 692, 730, 865, 1244, 1460, 1555, 1730, 3110, 3460, 6220, 12629, 22703, 25258, 45406, 50516, 53803, 63145, 90812, 107606, 113515, 126290, 215212, 227030, 252580, 269015, 454060, 538030, 1076060, 3927619, 7855238, 15710476, 19638095, 39276190, 78552380]

約数ペア:

[(1, 78552380), (2, 39276190), (4, 19638095), (5, 15710476), (10, 7855238), (20, 3927619), (73, 1076060), (146, 538030), (173, 454060), (292, 269015), (311, 252580), (346, 227030), (365, 215212), (622, 126290), (692, 113515), (730, 107606), (865, 90812), (1244, 63145), (1460, 53803), (1555, 50516), (1730, 45406), (3110, 25258), (3460, 22703), (6220, 12629)]