81316750

素因数分解:

$2^1\times 5^3\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{149}}^1$

素因数の和:262

約数の個数: 64

約数和(自身を含む): 160056000

約数和(自身を除く): 78739250

約数列:

[1, 2, 5, 10, 25, 37, 50, 59, 74, 118, 125, 149, 185, 250, 295, 298, 370, 590, 745, 925, 1475, 1490, 1850, 2183, 2950, 3725, 4366, 4625, 5513, 7375, 7450, 8791, 9250, 10915, 11026, 14750, 17582, 18625, 21830, 27565, 37250, 43955, 54575, 55130, 87910, 109150, 137825, 219775, 272875, 275650, 325267, 439550, 545750, 650534, 689125, 1098875, 1378250, 1626335, 2197750, 3252670, 8131675, 16263350, 40658375, 81316750]

約数ペア:

[(1, 81316750), (2, 40658375), (5, 16263350), (10, 8131675), (25, 3252670), (37, 2197750), (50, 1626335), (59, 1378250), (74, 1098875), (118, 689125), (125, 650534), (149, 545750), (185, 439550), (250, 325267), (295, 275650), (298, 272875), (370, 219775), (590, 137825), (745, 109150), (925, 87910), (1475, 55130), (1490, 54575), (1850, 43955), (2183, 37250), (2950, 27565), (3725, 21830), (4366, 18625), (4625, 17582), (5513, 14750), (7375, 11026), (7450, 10915), (8791, 9250)]