31023620

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{601}}^1$

素因数の和:728

約数の個数: 48

約数和(自身を含む): 68266800

約数和(自身を除く): 37243180

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 89, 116, 145, 178, 290, 356, 445, 580, 601, 890, 1202, 1780, 2404, 2581, 3005, 5162, 6010, 10324, 12020, 12905, 17429, 25810, 34858, 51620, 53489, 69716, 87145, 106978, 174290, 213956, 267445, 348580, 534890, 1069780, 1551181, 3102362, 6204724, 7755905, 15511810, 31023620]

約数ペア:

[(1, 31023620), (2, 15511810), (4, 7755905), (5, 6204724), (10, 3102362), (20, 1551181), (29, 1069780), (58, 534890), (89, 348580), (116, 267445), (145, 213956), (178, 174290), (290, 106978), (356, 87145), (445, 69716), (580, 53489), (601, 51620), (890, 34858), (1202, 25810), (1780, 17429), (2404, 12905), (2581, 12020), (3005, 10324), (5162, 6010)]