133669990

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{5179}}^1$

素因数の和:5304

約数の個数: 32

約数和(自身を含む): 251748000

約数和(自身を除く): 118078010

約数列:

[1, 2, 5, 10, 29, 58, 89, 145, 178, 290, 445, 890, 2581, 5162, 5179, 10358, 12905, 25810, 25895, 51790, 150191, 300382, 460931, 750955, 921862, 1501910, 2304655, 4609310, 13366999, 26733998, 66834995, 133669990]

約数ペア:

[(1, 133669990), (2, 66834995), (5, 26733998), (10, 13366999), (29, 4609310), (58, 2304655), (89, 1501910), (145, 921862), (178, 750955), (290, 460931), (445, 300382), (890, 150191), (2581, 51790), (5162, 25895), (5179, 25810), (10358, 12905)]