71290540

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{149}}^1\times {\mathrm{509}}^1$

素因数の和:714

約数の個数: 48

約数和(自身を含む): 154224000

約数和(自身を除く): 82933460

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 149, 188, 235, 298, 470, 509, 596, 745, 940, 1018, 1490, 2036, 2545, 2980, 5090, 7003, 10180, 14006, 23923, 28012, 35015, 47846, 70030, 75841, 95692, 119615, 140060, 151682, 239230, 303364, 379205, 478460, 758410, 1516820, 3564527, 7129054, 14258108, 17822635, 35645270, 71290540]

約数ペア:

[(1, 71290540), (2, 35645270), (4, 17822635), (5, 14258108), (10, 7129054), (20, 3564527), (47, 1516820), (94, 758410), (149, 478460), (188, 379205), (235, 303364), (298, 239230), (470, 151682), (509, 140060), (596, 119615), (745, 95692), (940, 75841), (1018, 70030), (1490, 47846), (2036, 35015), (2545, 28012), (2980, 23923), (5090, 14006), (7003, 10180)]