554888000

素因数分解:

$2^6\times 5^3\times {\mathrm{139}}^1\times {\mathrm{499}}^1$

素因数の和:665

約数の個数: 112

約数和(自身を含む): 1386840000

約数和(自身を除く): 831952000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 125, 139, 160, 200, 250, 278, 320, 400, 499, 500, 556, 695, 800, 998, 1000, 1112, 1390, 1600, 1996, 2000, 2224, 2495, 2780, 3475, 3992, 4000, 4448, 4990, 5560, 6950, 7984, 8000, 8896, 9980, 11120, 12475, 13900, 15968, 17375, 19960, 22240, 24950, 27800, 31936, 34750, 39920, 44480, 49900, 55600, 62375, 69361, 69500, 79840, 99800, 111200, 124750, 138722, 139000, 159680, 199600, 222400, 249500, 277444, 278000, 346805, 399200, 499000, 554888, 556000, 693610, 798400, 998000, 1109776, 1112000, 1387220, 1734025, 1996000, 2219552, 2774440, 3468050, 3992000, 4439104, 5548880, 6936100, 8670125, 11097760, 13872200, 17340250, 22195520, 27744400, 34680500, 55488800, 69361000, 110977600, 138722000, 277444000, 554888000]

約数ペア:

[(1, 554888000), (2, 277444000), (4, 138722000), (5, 110977600), (8, 69361000), (10, 55488800), (16, 34680500), (20, 27744400), (25, 22195520), (32, 17340250), (40, 13872200), (50, 11097760), (64, 8670125), (80, 6936100), (100, 5548880), (125, 4439104), (139, 3992000), (160, 3468050), (200, 2774440), (250, 2219552), (278, 1996000), (320, 1734025), (400, 1387220), (499, 1112000), (500, 1109776), (556, 998000), (695, 798400), (800, 693610), (998, 556000), (1000, 554888), (1112, 499000), (1390, 399200), (1600, 346805), (1996, 278000), (2000, 277444), (2224, 249500), (2495, 222400), (2780, 199600), (3475, 159680), (3992, 139000), (4000, 138722), (4448, 124750), (4990, 111200), (5560, 99800), (6950, 79840), (7984, 69500), (8000, 69361), (8896, 62375), (9980, 55600), (11120, 49900), (12475, 44480), (13900, 39920), (15968, 34750), (17375, 31936), (19960, 27800), (22240, 24950)]