2870147140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{227}}^1\times {\mathrm{90313}}^1$

素因数の和:90556

約数の個数: 48

約数和(自身を含む): 6918774912

約数和(自身を除く): 4048627772

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 227, 454, 908, 1135, 1589, 2270, 3178, 4540, 6356, 7945, 15890, 31780, 90313, 180626, 361252, 451565, 632191, 903130, 1264382, 1806260, 2528764, 3160955, 6321910, 12643820, 20501051, 41002102, 82004204, 102505255, 143507357, 205010510, 287014714, 410021020, 574029428, 717536785, 1435073570, 2870147140]

約数ペア:

[(1, 2870147140), (2, 1435073570), (4, 717536785), (5, 574029428), (7, 410021020), (10, 287014714), (14, 205010510), (20, 143507357), (28, 102505255), (35, 82004204), (70, 41002102), (140, 20501051), (227, 12643820), (454, 6321910), (908, 3160955), (1135, 2528764), (1589, 1806260), (2270, 1264382), (3178, 903130), (4540, 632191), (6356, 451565), (7945, 361252), (15890, 180626), (31780, 90313)]