81227020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{34129}}^1$

素因数の和:34162

約数の個数: 48

約数和(自身を含む): 206418240

約数和(自身を除く): 125191220

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 85, 119, 140, 170, 238, 340, 476, 595, 1190, 2380, 34129, 68258, 136516, 170645, 238903, 341290, 477806, 580193, 682580, 955612, 1160386, 1194515, 2320772, 2389030, 2900965, 4061351, 4778060, 5801930, 8122702, 11603860, 16245404, 20306755, 40613510, 81227020]

約数ペア:

[(1, 81227020), (2, 40613510), (4, 20306755), (5, 16245404), (7, 11603860), (10, 8122702), (14, 5801930), (17, 4778060), (20, 4061351), (28, 2900965), (34, 2389030), (35, 2320772), (68, 1194515), (70, 1160386), (85, 955612), (119, 682580), (140, 580193), (170, 477806), (238, 341290), (340, 238903), (476, 170645), (595, 136516), (1190, 68258), (2380, 34129)]