860990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{179}}^1$

素因数の和:236

約数の個数: 32

約数和(自身を含む): 1723680

約数和(自身を除く): 862690

約数列:

[1, 2, 5, 10, 13, 26, 37, 65, 74, 130, 179, 185, 358, 370, 481, 895, 962, 1790, 2327, 2405, 4654, 4810, 6623, 11635, 13246, 23270, 33115, 66230, 86099, 172198, 430495, 860990]

約数ペア:

[(1, 860990), (2, 430495), (5, 172198), (10, 86099), (13, 66230), (26, 33115), (37, 23270), (65, 13246), (74, 11635), (130, 6623), (179, 4810), (185, 4654), (358, 2405), (370, 2327), (481, 1790), (895, 962)]