890403650

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{379}}^1\times {\mathrm{2473}}^1$

素因数の和:2883

約数の個数: 48

約数和(自身を含む): 1748623200

約数和(自身を除く): 858219550

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 95, 190, 379, 475, 758, 950, 1895, 2473, 3790, 4946, 7201, 9475, 12365, 14402, 18950, 24730, 36005, 46987, 61825, 72010, 93974, 123650, 180025, 234935, 360050, 469870, 937267, 1174675, 1874534, 2349350, 4686335, 9372670, 17808073, 23431675, 35616146, 46863350, 89040365, 178080730, 445201825, 890403650]

約数ペア:

[(1, 890403650), (2, 445201825), (5, 178080730), (10, 89040365), (19, 46863350), (25, 35616146), (38, 23431675), (50, 17808073), (95, 9372670), (190, 4686335), (379, 2349350), (475, 1874534), (758, 1174675), (950, 937267), (1895, 469870), (2473, 360050), (3790, 234935), (4946, 180025), (7201, 123650), (9475, 93974), (12365, 72010), (14402, 61825), (18950, 46987), (24730, 36005)]