9900400

素因数分解:

$2^4\times 5^2\times {\mathrm{53}}^1\times {\mathrm{467}}^1$

素因数の和:538

約数の個数: 60

約数和(自身を含む): 24286392

約数和(自身を除く): 14385992

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 53, 80, 100, 106, 200, 212, 265, 400, 424, 467, 530, 848, 934, 1060, 1325, 1868, 2120, 2335, 2650, 3736, 4240, 4670, 5300, 7472, 9340, 10600, 11675, 18680, 21200, 23350, 24751, 37360, 46700, 49502, 93400, 99004, 123755, 186800, 198008, 247510, 396016, 495020, 618775, 990040, 1237550, 1980080, 2475100, 4950200, 9900400]

約数ペア:

[(1, 9900400), (2, 4950200), (4, 2475100), (5, 1980080), (8, 1237550), (10, 990040), (16, 618775), (20, 495020), (25, 396016), (40, 247510), (50, 198008), (53, 186800), (80, 123755), (100, 99004), (106, 93400), (200, 49502), (212, 46700), (265, 37360), (400, 24751), (424, 23350), (467, 21200), (530, 18680), (848, 11675), (934, 10600), (1060, 9340), (1325, 7472), (1868, 5300), (2120, 4670), (2335, 4240), (2650, 3736)]