9869000

素因数分解:

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

素因数の和:231

約数の個数: 64

約数和(自身を含む): 23587200

約数和(自身を除く): 13718200

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 71, 100, 125, 139, 142, 200, 250, 278, 284, 355, 500, 556, 568, 695, 710, 1000, 1112, 1390, 1420, 1775, 2780, 2840, 3475, 3550, 5560, 6950, 7100, 8875, 9869, 13900, 14200, 17375, 17750, 19738, 27800, 34750, 35500, 39476, 49345, 69500, 71000, 78952, 98690, 139000, 197380, 246725, 394760, 493450, 986900, 1233625, 1973800, 2467250, 4934500, 9869000]

約数ペア:

[(1, 9869000), (2, 4934500), (4, 2467250), (5, 1973800), (8, 1233625), (10, 986900), (20, 493450), (25, 394760), (40, 246725), (50, 197380), (71, 139000), (100, 98690), (125, 78952), (139, 71000), (142, 69500), (200, 49345), (250, 39476), (278, 35500), (284, 34750), (355, 27800), (500, 19738), (556, 17750), (568, 17375), (695, 14200), (710, 13900), (1000, 9869), (1112, 8875), (1390, 7100), (1420, 6950), (1775, 5560), (2780, 3550), (2840, 3475)]