207979900

素因数分解:

$2^2\times 5^2\times {\mathrm{191}}^1\times {\mathrm{10889}}^1$

素因数の和:11094

約数の個数: 36

約数和(自身を含む): 453720960

約数和(自身を除く): 245741060

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 191, 382, 764, 955, 1910, 3820, 4775, 9550, 10889, 19100, 21778, 43556, 54445, 108890, 217780, 272225, 544450, 1088900, 2079799, 4159598, 8319196, 10398995, 20797990, 41595980, 51994975, 103989950, 207979900]

約数ペア:

[(1, 207979900), (2, 103989950), (4, 51994975), (5, 41595980), (10, 20797990), (20, 10398995), (25, 8319196), (50, 4159598), (100, 2079799), (191, 1088900), (382, 544450), (764, 272225), (955, 217780), (1910, 108890), (3820, 54445), (4775, 43556), (9550, 21778), (10889, 19100)]