200901800

素因数分解:

$2^3\times 5^2\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{1723}}^1$

素因数の和:1803

約数の個数: 96

約数和(自身を含む): 519475680

約数和(自身を除く): 318573880

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 25, 40, 44, 50, 53, 55, 88, 100, 106, 110, 200, 212, 220, 265, 275, 424, 440, 530, 550, 583, 1060, 1100, 1166, 1325, 1723, 2120, 2200, 2332, 2650, 2915, 3446, 4664, 5300, 5830, 6892, 8615, 10600, 11660, 13784, 14575, 17230, 18953, 23320, 29150, 34460, 37906, 43075, 58300, 68920, 75812, 86150, 91319, 94765, 116600, 151624, 172300, 182638, 189530, 344600, 365276, 379060, 456595, 473825, 730552, 758120, 913190, 947650, 1004509, 1826380, 1895300, 2009018, 2282975, 3652760, 3790600, 4018036, 4565950, 5022545, 8036072, 9131900, 10045090, 18263800, 20090180, 25112725, 40180360, 50225450, 100450900, 200901800]

約数ペア:

[(1, 200901800), (2, 100450900), (4, 50225450), (5, 40180360), (8, 25112725), (10, 20090180), (11, 18263800), (20, 10045090), (22, 9131900), (25, 8036072), (40, 5022545), (44, 4565950), (50, 4018036), (53, 3790600), (55, 3652760), (88, 2282975), (100, 2009018), (106, 1895300), (110, 1826380), (200, 1004509), (212, 947650), (220, 913190), (265, 758120), (275, 730552), (424, 473825), (440, 456595), (530, 379060), (550, 365276), (583, 344600), (1060, 189530), (1100, 182638), (1166, 172300), (1325, 151624), (1723, 116600), (2120, 94765), (2200, 91319), (2332, 86150), (2650, 75812), (2915, 68920), (3446, 58300), (4664, 43075), (5300, 37906), (5830, 34460), (6892, 29150), (8615, 23320), (10600, 18953), (11660, 17230), (13784, 14575)]