2021402200

素因数分解:

$2^3\times 5^2\times {\mathrm{199}}^1\times {\mathrm{50789}}^1$

素因数の和:51004

約数の個数: 48

約数和(自身を含む): 4723470000

約数和(自身を除く): 2702067800

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 199, 200, 398, 796, 995, 1592, 1990, 3980, 4975, 7960, 9950, 19900, 39800, 50789, 101578, 203156, 253945, 406312, 507890, 1015780, 1269725, 2031560, 2539450, 5078900, 10107011, 10157800, 20214022, 40428044, 50535055, 80856088, 101070110, 202140220, 252675275, 404280440, 505350550, 1010701100, 2021402200]

約数ペア:

[(1, 2021402200), (2, 1010701100), (4, 505350550), (5, 404280440), (8, 252675275), (10, 202140220), (20, 101070110), (25, 80856088), (40, 50535055), (50, 40428044), (100, 20214022), (199, 10157800), (200, 10107011), (398, 5078900), (796, 2539450), (995, 2031560), (1592, 1269725), (1990, 1015780), (3980, 507890), (4975, 406312), (7960, 253945), (9950, 203156), (19900, 101578), (39800, 50789)]