74357780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{8707}}^1$

素因数の和:8784

約数の個数: 48

約数和(自身を含む): 181405056

約数和(自身を除く): 107047276

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 61, 70, 122, 140, 244, 305, 427, 610, 854, 1220, 1708, 2135, 4270, 8540, 8707, 17414, 34828, 43535, 60949, 87070, 121898, 174140, 243796, 304745, 531127, 609490, 1062254, 1218980, 2124508, 2655635, 3717889, 5311270, 7435778, 10622540, 14871556, 18589445, 37178890, 74357780]

約数ペア:

[(1, 74357780), (2, 37178890), (4, 18589445), (5, 14871556), (7, 10622540), (10, 7435778), (14, 5311270), (20, 3717889), (28, 2655635), (35, 2124508), (61, 1218980), (70, 1062254), (122, 609490), (140, 531127), (244, 304745), (305, 243796), (427, 174140), (610, 121898), (854, 87070), (1220, 60949), (1708, 43535), (2135, 34828), (4270, 17414), (8540, 8707)]