8791000

素因数分解:

$2^3\times 5^3\times {\mathrm{59}}^1\times {\mathrm{149}}^1$

素因数の和:229

約数の個数: 64

約数和(自身を含む): 21060000

約数和(自身を除く): 12269000

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 59, 100, 118, 125, 149, 200, 236, 250, 295, 298, 472, 500, 590, 596, 745, 1000, 1180, 1192, 1475, 1490, 2360, 2950, 2980, 3725, 5900, 5960, 7375, 7450, 8791, 11800, 14750, 14900, 17582, 18625, 29500, 29800, 35164, 37250, 43955, 59000, 70328, 74500, 87910, 149000, 175820, 219775, 351640, 439550, 879100, 1098875, 1758200, 2197750, 4395500, 8791000]

約数ペア:

[(1, 8791000), (2, 4395500), (4, 2197750), (5, 1758200), (8, 1098875), (10, 879100), (20, 439550), (25, 351640), (40, 219775), (50, 175820), (59, 149000), (100, 87910), (118, 74500), (125, 70328), (149, 59000), (200, 43955), (236, 37250), (250, 35164), (295, 29800), (298, 29500), (472, 18625), (500, 17582), (590, 14900), (596, 14750), (745, 11800), (1000, 8791), (1180, 7450), (1192, 7375), (1475, 5960), (1490, 5900), (2360, 3725), (2950, 2980)]