1380521780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{6275099}}^1$

素因数の和:6275119

約数の個数: 24

約数和(自身を含む): 3162650400

約数和(自身を除く): 1782128620

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 6275099, 12550198, 25100396, 31375495, 62750990, 69026089, 125501980, 138052178, 276104356, 345130445, 690260890, 1380521780]

約数ペア:

[(1, 1380521780), (2, 690260890), (4, 345130445), (5, 276104356), (10, 138052178), (11, 125501980), (20, 69026089), (22, 62750990), (44, 31375495), (55, 25100396), (110, 12550198), (220, 6275099)]