28198520

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{14387}}^1$

素因数の和:14412

約数の個数: 48

約数和(自身を含む): 73810440

約数和(自身を除く): 45611920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 14387, 28774, 57548, 71935, 100709, 115096, 143870, 201418, 287740, 402836, 503545, 575480, 704963, 805672, 1007090, 1409926, 2014180, 2819852, 3524815, 4028360, 5639704, 7049630, 14099260, 28198520]

約数ペア:

[(1, 28198520), (2, 14099260), (4, 7049630), (5, 5639704), (7, 4028360), (8, 3524815), (10, 2819852), (14, 2014180), (20, 1409926), (28, 1007090), (35, 805672), (40, 704963), (49, 575480), (56, 503545), (70, 402836), (98, 287740), (140, 201418), (196, 143870), (245, 115096), (280, 100709), (392, 71935), (490, 57548), (980, 28774), (1960, 14387)]