69459940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{2011}}^1$

素因数の和:2188

約数の個数: 48

約数和(自身を含む): 160219584

約数和(自身を除く): 90759644

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 157, 220, 314, 628, 785, 1570, 1727, 2011, 3140, 3454, 4022, 6908, 8044, 8635, 10055, 17270, 20110, 22121, 34540, 40220, 44242, 88484, 110605, 221210, 315727, 442420, 631454, 1262908, 1578635, 3157270, 3472997, 6314540, 6945994, 13891988, 17364985, 34729970, 69459940]

約数ペア:

[(1, 69459940), (2, 34729970), (4, 17364985), (5, 13891988), (10, 6945994), (11, 6314540), (20, 3472997), (22, 3157270), (44, 1578635), (55, 1262908), (110, 631454), (157, 442420), (220, 315727), (314, 221210), (628, 110605), (785, 88484), (1570, 44242), (1727, 40220), (2011, 34540), (3140, 22121), (3454, 20110), (4022, 17270), (6908, 10055), (8044, 8635)]