189837920

素因数分解:

$2^5\times 5^1\times {\mathrm{149}}^1\times {\mathrm{7963}}^1$

素因数の和:8127

約数の個数: 48

約数和(自身を含む): 451558800

約数和(自身を除く): 261720880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 149, 160, 298, 596, 745, 1192, 1490, 2384, 2980, 4768, 5960, 7963, 11920, 15926, 23840, 31852, 39815, 63704, 79630, 127408, 159260, 254816, 318520, 637040, 1186487, 1274080, 2372974, 4745948, 5932435, 9491896, 11864870, 18983792, 23729740, 37967584, 47459480, 94918960, 189837920]

約数ペア:

[(1, 189837920), (2, 94918960), (4, 47459480), (5, 37967584), (8, 23729740), (10, 18983792), (16, 11864870), (20, 9491896), (32, 5932435), (40, 4745948), (80, 2372974), (149, 1274080), (160, 1186487), (298, 637040), (596, 318520), (745, 254816), (1192, 159260), (1490, 127408), (2384, 79630), (2980, 63704), (4768, 39815), (5960, 31852), (7963, 23840), (11920, 15926)]