219326840

素因数分解:

$2^3\times 5^1\times {\mathrm{811}}^1\times {\mathrm{6761}}^1$

素因数の和:7583

約数の個数: 32

約数和(自身を含む): 494166960

約数和(自身を除く): 274840120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 811, 1622, 3244, 4055, 6488, 6761, 8110, 13522, 16220, 27044, 32440, 33805, 54088, 67610, 135220, 270440, 5483171, 10966342, 21932684, 27415855, 43865368, 54831710, 109663420, 219326840]

約数ペア:

[(1, 219326840), (2, 109663420), (4, 54831710), (5, 43865368), (8, 27415855), (10, 21932684), (20, 10966342), (40, 5483171), (811, 270440), (1622, 135220), (3244, 67610), (4055, 54088), (6488, 33805), (6761, 32440), (8110, 27044), (13522, 16220)]