445380910

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{211}}^1\times {\mathrm{1249}}^1$

素因数の和:1493

約数の個数: 48

約数和(自身を含む): 872910000

約数和(自身を除く): 427529090

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 169, 211, 338, 422, 845, 1055, 1249, 1690, 2110, 2498, 2743, 5486, 6245, 12490, 13715, 16237, 27430, 32474, 35659, 71318, 81185, 162370, 178295, 211081, 263539, 356590, 422162, 527078, 1055405, 1317695, 2110810, 2635390, 3426007, 6852014, 17130035, 34260070, 44538091, 89076182, 222690455, 445380910]

約数ペア:

[(1, 445380910), (2, 222690455), (5, 89076182), (10, 44538091), (13, 34260070), (26, 17130035), (65, 6852014), (130, 3426007), (169, 2635390), (211, 2110810), (338, 1317695), (422, 1055405), (845, 527078), (1055, 422162), (1249, 356590), (1690, 263539), (2110, 211081), (2498, 178295), (2743, 162370), (5486, 81185), (6245, 71318), (12490, 35659), (13715, 32474), (16237, 27430)]