2005950

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{311}}^1$

素因数の和:369

約数の個数: 48

約数和(自身を含む): 5106816

約数和(自身を除く): 3100866

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 43, 50, 75, 86, 129, 150, 215, 258, 311, 430, 622, 645, 933, 1075, 1290, 1555, 1866, 2150, 3110, 3225, 4665, 6450, 7775, 9330, 13373, 15550, 23325, 26746, 40119, 46650, 66865, 80238, 133730, 200595, 334325, 401190, 668650, 1002975, 2005950]

約数ペア:

[(1, 2005950), (2, 1002975), (3, 668650), (5, 401190), (6, 334325), (10, 200595), (15, 133730), (25, 80238), (30, 66865), (43, 46650), (50, 40119), (75, 26746), (86, 23325), (129, 15550), (150, 13373), (215, 9330), (258, 7775), (311, 6450), (430, 4665), (622, 3225), (645, 3110), (933, 2150), (1075, 1866), (1290, 1555)]