70787000

素因数分解:

$2^3\times 5^3\times {\mathrm{71}}^1\times {\mathrm{997}}^1$

素因数の和:1089

約数の個数: 64

約数和(自身を含む): 168143040

約数和(自身を除く): 97356040

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 71, 100, 125, 142, 200, 250, 284, 355, 500, 568, 710, 997, 1000, 1420, 1775, 1994, 2840, 3550, 3988, 4985, 7100, 7976, 8875, 9970, 14200, 17750, 19940, 24925, 35500, 39880, 49850, 70787, 71000, 99700, 124625, 141574, 199400, 249250, 283148, 353935, 498500, 566296, 707870, 997000, 1415740, 1769675, 2831480, 3539350, 7078700, 8848375, 14157400, 17696750, 35393500, 70787000]

約数ペア:

[(1, 70787000), (2, 35393500), (4, 17696750), (5, 14157400), (8, 8848375), (10, 7078700), (20, 3539350), (25, 2831480), (40, 1769675), (50, 1415740), (71, 997000), (100, 707870), (125, 566296), (142, 498500), (200, 353935), (250, 283148), (284, 249250), (355, 199400), (500, 141574), (568, 124625), (710, 99700), (997, 71000), (1000, 70787), (1420, 49850), (1775, 39880), (1994, 35500), (2840, 24925), (3550, 19940), (3988, 17750), (4985, 14200), (7100, 9970), (7976, 8875)]