890257470

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{213491}}^1$

素因数の和:213640

約数の個数: 32

約数和(自身を含む): 2151999360

約数和(自身を除く): 1261741890

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 139, 278, 417, 695, 834, 1390, 2085, 4170, 213491, 426982, 640473, 1067455, 1280946, 2134910, 3202365, 6404730, 29675249, 59350498, 89025747, 148376245, 178051494, 296752490, 445128735, 890257470]

約数ペア:

[(1, 890257470), (2, 445128735), (3, 296752490), (5, 178051494), (6, 148376245), (10, 89025747), (15, 59350498), (30, 29675249), (139, 6404730), (278, 3202365), (417, 2134910), (695, 1280946), (834, 1067455), (1390, 640473), (2085, 426982), (4170, 213491)]