989896900

素因数分解:

$2^2\times 5^2\times {\mathrm{53}}^1\times {\mathrm{186773}}^1$

素因数の和:186840

約数の個数: 36

約数和(自身を含む): 2188617732

約数和(自身を除く): 1198720832

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 53, 100, 106, 212, 265, 530, 1060, 1325, 2650, 5300, 186773, 373546, 747092, 933865, 1867730, 3735460, 4669325, 9338650, 9898969, 18677300, 19797938, 39595876, 49494845, 98989690, 197979380, 247474225, 494948450, 989896900]

約数ペア:

[(1, 989896900), (2, 494948450), (4, 247474225), (5, 197979380), (10, 98989690), (20, 49494845), (25, 39595876), (50, 19797938), (53, 18677300), (100, 9898969), (106, 9338650), (212, 4669325), (265, 3735460), (530, 1867730), (1060, 933865), (1325, 747092), (2650, 373546), (5300, 186773)]