2018205850

素因数分解:

$2^1\times 5^2\times {\mathrm{47}}^1\times {\mathrm{109}}^1\times {\mathrm{7879}}^1$

素因数の和:8047

約数の個数: 48

約数和(自身を含む): 3869395200

約数和(自身を除く): 1851189350

約数列:

[1, 2, 5, 10, 25, 47, 50, 94, 109, 218, 235, 470, 545, 1090, 1175, 2350, 2725, 5123, 5450, 7879, 10246, 15758, 25615, 39395, 51230, 78790, 128075, 196975, 256150, 370313, 393950, 740626, 858811, 1717622, 1851565, 3703130, 4294055, 8588110, 9257825, 18515650, 21470275, 40364117, 42940550, 80728234, 201820585, 403641170, 1009102925, 2018205850]

約数ペア:

[(1, 2018205850), (2, 1009102925), (5, 403641170), (10, 201820585), (25, 80728234), (47, 42940550), (50, 40364117), (94, 21470275), (109, 18515650), (218, 9257825), (235, 8588110), (470, 4294055), (545, 3703130), (1090, 1851565), (1175, 1717622), (2350, 858811), (2725, 740626), (5123, 393950), (5450, 370313), (7879, 256150), (10246, 196975), (15758, 128075), (25615, 78790), (39395, 51230)]