215270

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1$

素因数の和:140

約数の個数: 32

約数和(自身を含む): 449280

約数和(自身を除く): 234010

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 55, 95, 103, 110, 190, 206, 209, 418, 515, 1030, 1045, 1133, 1957, 2090, 2266, 3914, 5665, 9785, 11330, 19570, 21527, 43054, 107635, 215270]

約数ペア:

[(1, 215270), (2, 107635), (5, 43054), (10, 21527), (11, 19570), (19, 11330), (22, 9785), (38, 5665), (55, 3914), (95, 2266), (103, 2090), (110, 1957), (190, 1133), (206, 1045), (209, 1030), (418, 515)]