15421780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{70099}}^1$

素因数の和:70119

約数の個数: 24

約数和(自身を含む): 35330400

約数和(自身を除く): 19908620

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 70099, 140198, 280396, 350495, 700990, 771089, 1401980, 1542178, 3084356, 3855445, 7710890, 15421780]

約数ペア:

[(1, 15421780), (2, 7710890), (4, 3855445), (5, 3084356), (10, 1542178), (11, 1401980), (20, 771089), (22, 700990), (44, 350495), (55, 280396), (110, 140198), (220, 70099)]