140129180

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{499}}^1\times {\mathrm{739}}^1$

素因数の和:1266

約数の個数: 48

約数和(自身を含む): 310800000

約数和(自身を除く): 170670820

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 499, 739, 998, 1478, 1996, 2495, 2956, 3695, 4990, 7390, 9481, 9980, 14041, 14780, 18962, 28082, 37924, 47405, 56164, 70205, 94810, 140410, 189620, 280820, 368761, 737522, 1475044, 1843805, 3687610, 7006459, 7375220, 14012918, 28025836, 35032295, 70064590, 140129180]

約数ペア:

[(1, 140129180), (2, 70064590), (4, 35032295), (5, 28025836), (10, 14012918), (19, 7375220), (20, 7006459), (38, 3687610), (76, 1843805), (95, 1475044), (190, 737522), (380, 368761), (499, 280820), (739, 189620), (998, 140410), (1478, 94810), (1996, 70205), (2495, 56164), (2956, 47405), (3695, 37924), (4990, 28082), (7390, 18962), (9481, 14780), (9980, 14041)]