2017013780

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{67189}}^1$

素因数の和:67296

約数の個数: 48

約数和(自身を含む): 4515168000

約数和(自身を除く): 2498154220

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 79, 95, 158, 190, 316, 380, 395, 790, 1501, 1580, 3002, 6004, 7505, 15010, 30020, 67189, 134378, 268756, 335945, 671890, 1276591, 1343780, 2553182, 5106364, 5307931, 6382955, 10615862, 12765910, 21231724, 25531820, 26539655, 53079310, 100850689, 106158620, 201701378, 403402756, 504253445, 1008506890, 2017013780]

約数ペア:

[(1, 2017013780), (2, 1008506890), (4, 504253445), (5, 403402756), (10, 201701378), (19, 106158620), (20, 100850689), (38, 53079310), (76, 26539655), (79, 25531820), (95, 21231724), (158, 12765910), (190, 10615862), (316, 6382955), (380, 5307931), (395, 5106364), (790, 2553182), (1501, 1343780), (1580, 1276591), (3002, 671890), (6004, 335945), (7505, 268756), (15010, 134378), (30020, 67189)]