49345000

素因数分解:

$2^3\times 5^4\times {\mathrm{71}}^1\times {\mathrm{139}}^1$

素因数の和:236

約数の個数: 80

約数和(自身を含む): 118087200

約数和(自身を除く): 68742200

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, 625, 695, 710, 1000, 1112, 1250, 1390, 1420, 1775, 2500, 2780, 2840, 3475, 3550, 5000, 5560, 6950, 7100, 8875, 9869, 13900, 14200, 17375, 17750, 19738, 27800, 34750, 35500, 39476, 44375, 49345, 69500, 71000, 78952, 86875, 88750, 98690, 139000, 173750, 177500, 197380, 246725, 347500, 355000, 394760, 493450, 695000, 986900, 1233625, 1973800, 2467250, 4934500, 6168125, 9869000, 12336250, 24672500, 49345000]

約数ペア:

[(1, 49345000), (2, 24672500), (4, 12336250), (5, 9869000), (8, 6168125), (10, 4934500), (20, 2467250), (25, 1973800), (40, 1233625), (50, 986900), (71, 695000), (100, 493450), (125, 394760), (139, 355000), (142, 347500), (200, 246725), (250, 197380), (278, 177500), (284, 173750), (355, 139000), (500, 98690), (556, 88750), (568, 86875), (625, 78952), (695, 71000), (710, 69500), (1000, 49345), (1112, 44375), (1250, 39476), (1390, 35500), (1420, 34750), (1775, 27800), (2500, 19738), (2780, 17750), (2840, 17375), (3475, 14200), (3550, 13900), (5000, 9869), (5560, 8875), (6950, 7100)]