3971660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{2579}}^1$

素因数の和:2606

約数の個数: 48

約数和(自身を含む): 10402560

約数和(自身を除く): 6430900

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 2579, 5158, 10316, 12895, 18053, 25790, 28369, 36106, 51580, 56738, 72212, 90265, 113476, 141845, 180530, 198583, 283690, 361060, 397166, 567380, 794332, 992915, 1985830, 3971660]

約数ペア:

[(1, 3971660), (2, 1985830), (4, 992915), (5, 794332), (7, 567380), (10, 397166), (11, 361060), (14, 283690), (20, 198583), (22, 180530), (28, 141845), (35, 113476), (44, 90265), (55, 72212), (70, 56738), (77, 51580), (110, 36106), (140, 28369), (154, 25790), (220, 18053), (308, 12895), (385, 10316), (770, 5158), (1540, 2579)]