2689300990

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{248779}}^1$

素因数の和:248856

約数の個数: 32

約数和(自身を含む): 5158702080

約数和(自身を除く): 2469401090

約数列:

[1, 2, 5, 10, 23, 46, 47, 94, 115, 230, 235, 470, 1081, 2162, 5405, 10810, 248779, 497558, 1243895, 2487790, 5721917, 11443834, 11692613, 23385226, 28609585, 57219170, 58463065, 116926130, 268930099, 537860198, 1344650495, 2689300990]

約数ペア:

[(1, 2689300990), (2, 1344650495), (5, 537860198), (10, 268930099), (23, 116926130), (46, 58463065), (47, 57219170), (94, 28609585), (115, 23385226), (230, 11692613), (235, 11443834), (470, 5721917), (1081, 2487790), (2162, 1243895), (5405, 497558), (10810, 248779)]