2983280

素因数分解:

$2^4\times 5^1\times {\mathrm{89}}^1\times {\mathrm{419}}^1$

素因数の和:521

約数の個数: 40

約数和(自身を含む): 7030800

約数和(自身を除く): 4047520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 89, 178, 356, 419, 445, 712, 838, 890, 1424, 1676, 1780, 2095, 3352, 3560, 4190, 6704, 7120, 8380, 16760, 33520, 37291, 74582, 149164, 186455, 298328, 372910, 596656, 745820, 1491640, 2983280]

約数ペア:

[(1, 2983280), (2, 1491640), (4, 745820), (5, 596656), (8, 372910), (10, 298328), (16, 186455), (20, 149164), (40, 74582), (80, 37291), (89, 33520), (178, 16760), (356, 8380), (419, 7120), (445, 6704), (712, 4190), (838, 3560), (890, 3352), (1424, 2095), (1676, 1780)]