71814380

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{1657}}^1$

素因数の和:1874

約数の個数: 48

約数和(自身を含む): 165455136

約数和(自身を除く): 93640756

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 197, 220, 394, 788, 985, 1657, 1970, 2167, 3314, 3940, 4334, 6628, 8285, 8668, 10835, 16570, 18227, 21670, 33140, 36454, 43340, 72908, 91135, 182270, 326429, 364540, 652858, 1305716, 1632145, 3264290, 3590719, 6528580, 7181438, 14362876, 17953595, 35907190, 71814380]

約数ペア:

[(1, 71814380), (2, 35907190), (4, 17953595), (5, 14362876), (10, 7181438), (11, 6528580), (20, 3590719), (22, 3264290), (44, 1632145), (55, 1305716), (110, 652858), (197, 364540), (220, 326429), (394, 182270), (788, 91135), (985, 72908), (1657, 43340), (1970, 36454), (2167, 33140), (3314, 21670), (3940, 18227), (4334, 16570), (6628, 10835), (8285, 8668)]