78431570

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{367}}^1$

素因数の和:495

約数の個数: 64

約数和(自身を含む): 167878656

約数和(自身を除く): 89447086

約数列:

[1, 2, 5, 7, 10, 14, 35, 43, 70, 71, 86, 142, 215, 301, 355, 367, 430, 497, 602, 710, 734, 994, 1505, 1835, 2485, 2569, 3010, 3053, 3670, 4970, 5138, 6106, 12845, 15265, 15781, 21371, 25690, 26057, 30530, 31562, 42742, 52114, 78905, 106855, 110467, 130285, 157810, 182399, 213710, 220934, 260570, 364798, 552335, 911995, 1104670, 1120451, 1823990, 2240902, 5602255, 7843157, 11204510, 15686314, 39215785, 78431570]

約数ペア:

[(1, 78431570), (2, 39215785), (5, 15686314), (7, 11204510), (10, 7843157), (14, 5602255), (35, 2240902), (43, 1823990), (70, 1120451), (71, 1104670), (86, 911995), (142, 552335), (215, 364798), (301, 260570), (355, 220934), (367, 213710), (430, 182399), (497, 157810), (602, 130285), (710, 110467), (734, 106855), (994, 78905), (1505, 52114), (1835, 42742), (2485, 31562), (2569, 30530), (3010, 26057), (3053, 25690), (3670, 21371), (4970, 15781), (5138, 15265), (6106, 12845)]