71570831480

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{499}}^1\times {\mathrm{50503}}^1$

素因数の和:51084

約数の個数: 64

約数和(自身を含む): 163632960000

約数和(自身を除く): 92062128520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 499, 568, 710, 998, 1420, 1996, 2495, 2840, 3992, 4990, 9980, 19960, 35429, 50503, 70858, 101006, 141716, 177145, 202012, 252515, 283432, 354290, 404024, 505030, 708580, 1010060, 1417160, 2020120, 3585713, 7171426, 14342852, 17928565, 25200997, 28685704, 35857130, 50401994, 71714260, 100803988, 126004985, 143428520, 201607976, 252009970, 504019940, 1008039880, 1789270787, 3578541574, 7157083148, 8946353935, 14314166296, 17892707870, 35785415740, 71570831480]

約数ペア:

[(1, 71570831480), (2, 35785415740), (4, 17892707870), (5, 14314166296), (8, 8946353935), (10, 7157083148), (20, 3578541574), (40, 1789270787), (71, 1008039880), (142, 504019940), (284, 252009970), (355, 201607976), (499, 143428520), (568, 126004985), (710, 100803988), (998, 71714260), (1420, 50401994), (1996, 35857130), (2495, 28685704), (2840, 25200997), (3992, 17928565), (4990, 14342852), (9980, 7171426), (19960, 3585713), (35429, 2020120), (50503, 1417160), (70858, 1010060), (101006, 708580), (141716, 505030), (177145, 404024), (202012, 354290), (252515, 283432)]