1212603640

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{340619}}^1$

素因数の和:340719

約数の個数: 32

約数和(自身を含む): 2759022000

約数和(自身を除く): 1546418360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1780, 3560, 340619, 681238, 1362476, 1703095, 2724952, 3406190, 6812380, 13624760, 30315091, 60630182, 121260364, 151575455, 242520728, 303150910, 606301820, 1212603640]

約数ペア:

[(1, 1212603640), (2, 606301820), (4, 303150910), (5, 242520728), (8, 151575455), (10, 121260364), (20, 60630182), (40, 30315091), (89, 13624760), (178, 6812380), (356, 3406190), (445, 2724952), (712, 1703095), (890, 1362476), (1780, 681238), (3560, 340619)]