197389640

素因数分解:

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

素因数の和:14419

約数の個数: 64

約数和(自身を含む): 517968000

約数和(自身を除く): 320578360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 343, 392, 490, 686, 980, 1372, 1715, 1960, 2744, 3430, 6860, 13720, 14387, 28774, 57548, 71935, 100709, 115096, 143870, 201418, 287740, 402836, 503545, 575480, 704963, 805672, 1007090, 1409926, 2014180, 2819852, 3524815, 4028360, 4934741, 5639704, 7049630, 9869482, 14099260, 19738964, 24673705, 28198520, 39477928, 49347410, 98694820, 197389640]

約数ペア:

[(1, 197389640), (2, 98694820), (4, 49347410), (5, 39477928), (7, 28198520), (8, 24673705), (10, 19738964), (14, 14099260), (20, 9869482), (28, 7049630), (35, 5639704), (40, 4934741), (49, 4028360), (56, 3524815), (70, 2819852), (98, 2014180), (140, 1409926), (196, 1007090), (245, 805672), (280, 704963), (343, 575480), (392, 503545), (490, 402836), (686, 287740), (980, 201418), (1372, 143870), (1715, 115096), (1960, 100709), (2744, 71935), (3430, 57548), (6860, 28774), (13720, 14387)]