669778310

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{431}}^1\times {\mathrm{8179}}^1$

素因数の和:8636

約数の個数: 32

約数和(自身を含む): 1272153600

約数和(自身を除く): 602375290

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 431, 862, 2155, 4310, 8179, 8189, 16358, 16378, 40895, 40945, 81790, 81890, 155401, 310802, 777005, 1554010, 3525149, 7050298, 17625745, 35251490, 66977831, 133955662, 334889155, 669778310]

約数ペア:

[(1, 669778310), (2, 334889155), (5, 133955662), (10, 66977831), (19, 35251490), (38, 17625745), (95, 7050298), (190, 3525149), (431, 1554010), (862, 777005), (2155, 310802), (4310, 155401), (8179, 81890), (8189, 81790), (16358, 40945), (16378, 40895)]