1900973800

素因数分解:

$2^3\times 5^2\times {\mathrm{11}}^1\times {\mathrm{864079}}^1$

素因数の和:864106

約数の個数: 48

約数和(自身を含む): 4821566400

約数和(自身を除く): 2920592600

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 25, 40, 44, 50, 55, 88, 100, 110, 200, 220, 275, 440, 550, 1100, 2200, 864079, 1728158, 3456316, 4320395, 6912632, 8640790, 9504869, 17281580, 19009738, 21601975, 34563160, 38019476, 43203950, 47524345, 76038952, 86407900, 95048690, 172815800, 190097380, 237621725, 380194760, 475243450, 950486900, 1900973800]

約数ペア:

[(1, 1900973800), (2, 950486900), (4, 475243450), (5, 380194760), (8, 237621725), (10, 190097380), (11, 172815800), (20, 95048690), (22, 86407900), (25, 76038952), (40, 47524345), (44, 43203950), (50, 38019476), (55, 34563160), (88, 21601975), (100, 19009738), (110, 17281580), (200, 9504869), (220, 8640790), (275, 6912632), (440, 4320395), (550, 3456316), (1100, 1728158), (2200, 864079)]