1973800

素因数分解:

$2^3\times 5^2\times {\mathrm{71}}^1\times {\mathrm{139}}^1$

素因数の和:226

約数の個数: 48

約数和(自身を含む): 4687200

約数和(自身を除く): 2713400

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 71, 100, 139, 142, 200, 278, 284, 355, 556, 568, 695, 710, 1112, 1390, 1420, 1775, 2780, 2840, 3475, 3550, 5560, 6950, 7100, 9869, 13900, 14200, 19738, 27800, 39476, 49345, 78952, 98690, 197380, 246725, 394760, 493450, 986900, 1973800]

約数ペア:

[(1, 1973800), (2, 986900), (4, 493450), (5, 394760), (8, 246725), (10, 197380), (20, 98690), (25, 78952), (40, 49345), (50, 39476), (71, 27800), (100, 19738), (139, 14200), (142, 13900), (200, 9869), (278, 7100), (284, 6950), (355, 5560), (556, 3550), (568, 3475), (695, 2840), (710, 2780), (1112, 1775), (1390, 1420)]