207403900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{409}}^1\times {\mathrm{461}}^1$

素因数の和:895

約数の個数: 72

約数和(自身を含む): 493249680

約数和(自身を除く): 285845780

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 220, 275, 409, 461, 550, 818, 922, 1100, 1636, 1844, 2045, 2305, 4090, 4499, 4610, 5071, 8180, 8998, 9220, 10142, 10225, 11525, 17996, 20284, 20450, 22495, 23050, 25355, 40900, 44990, 46100, 50710, 89980, 101420, 112475, 126775, 188549, 224950, 253550, 377098, 449900, 507100, 754196, 942745, 1885490, 2074039, 3770980, 4148078, 4713725, 8296156, 9427450, 10370195, 18854900, 20740390, 41480780, 51850975, 103701950, 207403900]

約数ペア:

[(1, 207403900), (2, 103701950), (4, 51850975), (5, 41480780), (10, 20740390), (11, 18854900), (20, 10370195), (22, 9427450), (25, 8296156), (44, 4713725), (50, 4148078), (55, 3770980), (100, 2074039), (110, 1885490), (220, 942745), (275, 754196), (409, 507100), (461, 449900), (550, 377098), (818, 253550), (922, 224950), (1100, 188549), (1636, 126775), (1844, 112475), (2045, 101420), (2305, 89980), (4090, 50710), (4499, 46100), (4610, 44990), (5071, 40900), (8180, 25355), (8998, 23050), (9220, 22495), (10142, 20450), (10225, 20284), (11525, 17996)]