27777940

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{1019}}^1$

素因数の和:1104

約数の個数: 48

約数和(自身を含む): 61689600

約数和(自身を除く): 33911660

約数列:

[1, 2, 4, 5, 10, 20, 29, 47, 58, 94, 116, 145, 188, 235, 290, 470, 580, 940, 1019, 1363, 2038, 2726, 4076, 5095, 5452, 6815, 10190, 13630, 20380, 27260, 29551, 47893, 59102, 95786, 118204, 147755, 191572, 239465, 295510, 478930, 591020, 957860, 1388897, 2777794, 5555588, 6944485, 13888970, 27777940]

約数ペア:

[(1, 27777940), (2, 13888970), (4, 6944485), (5, 5555588), (10, 2777794), (20, 1388897), (29, 957860), (47, 591020), (58, 478930), (94, 295510), (116, 239465), (145, 191572), (188, 147755), (235, 118204), (290, 95786), (470, 59102), (580, 47893), (940, 29551), (1019, 27260), (1363, 20380), (2038, 13630), (2726, 10190), (4076, 6815), (5095, 5452)]