38385700

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{227}}^1$

素因数の和:349

約数の個数: 72

約数和(自身を含む): 89056800

約数和(自身を除く): 50671100

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 89, 95, 100, 178, 190, 227, 356, 380, 445, 454, 475, 890, 908, 950, 1135, 1691, 1780, 1900, 2225, 2270, 3382, 4313, 4450, 4540, 5675, 6764, 8455, 8626, 8900, 11350, 16910, 17252, 20203, 21565, 22700, 33820, 40406, 42275, 43130, 80812, 84550, 86260, 101015, 107825, 169100, 202030, 215650, 383857, 404060, 431300, 505075, 767714, 1010150, 1535428, 1919285, 2020300, 3838570, 7677140, 9596425, 19192850, 38385700]

約数ペア:

[(1, 38385700), (2, 19192850), (4, 9596425), (5, 7677140), (10, 3838570), (19, 2020300), (20, 1919285), (25, 1535428), (38, 1010150), (50, 767714), (76, 505075), (89, 431300), (95, 404060), (100, 383857), (178, 215650), (190, 202030), (227, 169100), (356, 107825), (380, 101015), (445, 86260), (454, 84550), (475, 80812), (890, 43130), (908, 42275), (950, 40406), (1135, 33820), (1691, 22700), (1780, 21565), (1900, 20203), (2225, 17252), (2270, 16910), (3382, 11350), (4313, 8900), (4450, 8626), (4540, 8455), (5675, 6764)]