197883640

素因数分解:

$2^3\times 5^1\times {\mathrm{59}}^1\times {\mathrm{191}}^1\times {\mathrm{439}}^1$

素因数の和:700

約数の個数: 64

約数和(自身を含む): 456192000

約数和(自身を除く): 258308360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 59, 118, 191, 236, 295, 382, 439, 472, 590, 764, 878, 955, 1180, 1528, 1756, 1910, 2195, 2360, 3512, 3820, 4390, 7640, 8780, 11269, 17560, 22538, 25901, 45076, 51802, 56345, 83849, 90152, 103604, 112690, 129505, 167698, 207208, 225380, 259010, 335396, 419245, 450760, 518020, 670792, 838490, 1036040, 1676980, 3353960, 4947091, 9894182, 19788364, 24735455, 39576728, 49470910, 98941820, 197883640]

約数ペア:

[(1, 197883640), (2, 98941820), (4, 49470910), (5, 39576728), (8, 24735455), (10, 19788364), (20, 9894182), (40, 4947091), (59, 3353960), (118, 1676980), (191, 1036040), (236, 838490), (295, 670792), (382, 518020), (439, 450760), (472, 419245), (590, 335396), (764, 259010), (878, 225380), (955, 207208), (1180, 167698), (1528, 129505), (1756, 112690), (1910, 103604), (2195, 90152), (2360, 83849), (3512, 56345), (3820, 51802), (4390, 45076), (7640, 25901), (8780, 22538), (11269, 17560)]