7474815820

素因数分解:

$2^2\times 5^1\times {\mathrm{239}}^1\times {\mathrm{787}}^1\times {\mathrm{1987}}^1$

素因数の和:3022

約数の個数: 48

約数和(自身を含む): 15790763520

約数和(自身を除く): 8315947700

約数列:

[1, 2, 4, 5, 10, 20, 239, 478, 787, 956, 1195, 1574, 1987, 2390, 3148, 3935, 3974, 4780, 7870, 7948, 9935, 15740, 19870, 39740, 188093, 376186, 474893, 752372, 940465, 949786, 1563769, 1880930, 1899572, 2374465, 3127538, 3761860, 4748930, 6255076, 7818845, 9497860, 15637690, 31275380, 373740791, 747481582, 1494963164, 1868703955, 3737407910, 7474815820]

約数ペア:

[(1, 7474815820), (2, 3737407910), (4, 1868703955), (5, 1494963164), (10, 747481582), (20, 373740791), (239, 31275380), (478, 15637690), (787, 9497860), (956, 7818845), (1195, 6255076), (1574, 4748930), (1987, 3761860), (2390, 3127538), (3148, 2374465), (3935, 1899572), (3974, 1880930), (4780, 1563769), (7870, 949786), (7948, 940465), (9935, 752372), (15740, 474893), (19870, 376186), (39740, 188093)]