3949270420

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{199}}^1\times {\mathrm{32009}}^1$

素因数の和:32248

約数の個数: 48

約数和(自身を含む): 8604288000

約数和(自身を除く): 4655017580

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 199, 310, 398, 620, 796, 995, 1990, 3980, 6169, 12338, 24676, 30845, 32009, 61690, 64018, 123380, 128036, 160045, 320090, 640180, 992279, 1984558, 3969116, 4961395, 6369791, 9922790, 12739582, 19845580, 25479164, 31848955, 63697910, 127395820, 197463521, 394927042, 789854084, 987317605, 1974635210, 3949270420]

約数ペア:

[(1, 3949270420), (2, 1974635210), (4, 987317605), (5, 789854084), (10, 394927042), (20, 197463521), (31, 127395820), (62, 63697910), (124, 31848955), (155, 25479164), (199, 19845580), (310, 12739582), (398, 9922790), (620, 6369791), (796, 4961395), (995, 3969116), (1990, 1984558), (3980, 992279), (6169, 640180), (12338, 320090), (24676, 160045), (30845, 128036), (32009, 123380), (61690, 64018)]