204064900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{1987}}^1$

素因数の和:2093

約数の個数: 72

約数和(自身を含む): 483163520

約数和(自身を除く): 279098620

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 79, 100, 130, 158, 260, 316, 325, 395, 650, 790, 1027, 1300, 1580, 1975, 1987, 2054, 3950, 3974, 4108, 5135, 7900, 7948, 9935, 10270, 19870, 20540, 25675, 25831, 39740, 49675, 51350, 51662, 99350, 102700, 103324, 129155, 156973, 198700, 258310, 313946, 516620, 627892, 645775, 784865, 1291550, 1569730, 2040649, 2583100, 3139460, 3924325, 4081298, 7848650, 8162596, 10203245, 15697300, 20406490, 40812980, 51016225, 102032450, 204064900]

約数ペア:

[(1, 204064900), (2, 102032450), (4, 51016225), (5, 40812980), (10, 20406490), (13, 15697300), (20, 10203245), (25, 8162596), (26, 7848650), (50, 4081298), (52, 3924325), (65, 3139460), (79, 2583100), (100, 2040649), (130, 1569730), (158, 1291550), (260, 784865), (316, 645775), (325, 627892), (395, 516620), (650, 313946), (790, 258310), (1027, 198700), (1300, 156973), (1580, 129155), (1975, 103324), (1987, 102700), (2054, 99350), (3950, 51662), (3974, 51350), (4108, 49675), (5135, 39740), (7900, 25831), (7948, 25675), (9935, 20540), (10270, 19870)]