7994600

素因数分解:

$2^3\times 5^2\times {\mathrm{71}}^1\times {\mathrm{563}}^1$

素因数の和:650

約数の個数: 48

約数和(自身を含む): 18882720

約数和(自身を除く): 10888120

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 71, 100, 142, 200, 284, 355, 563, 568, 710, 1126, 1420, 1775, 2252, 2815, 2840, 3550, 4504, 5630, 7100, 11260, 14075, 14200, 22520, 28150, 39973, 56300, 79946, 112600, 159892, 199865, 319784, 399730, 799460, 999325, 1598920, 1998650, 3997300, 7994600]

約数ペア:

[(1, 7994600), (2, 3997300), (4, 1998650), (5, 1598920), (8, 999325), (10, 799460), (20, 399730), (25, 319784), (40, 199865), (50, 159892), (71, 112600), (100, 79946), (142, 56300), (200, 39973), (284, 28150), (355, 22520), (563, 14200), (568, 14075), (710, 11260), (1126, 7100), (1420, 5630), (1775, 4504), (2252, 3550), (2815, 2840)]