60878000

素因数分解:

$2^4\times 5^3\times {\mathrm{61}}^1\times {\mathrm{499}}^1$

素因数の和:583

約数の個数: 80

約数和(自身を含む): 149916000

約数和(自身を除く): 89038000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 61, 80, 100, 122, 125, 200, 244, 250, 305, 400, 488, 499, 500, 610, 976, 998, 1000, 1220, 1525, 1996, 2000, 2440, 2495, 3050, 3992, 4880, 4990, 6100, 7625, 7984, 9980, 12200, 12475, 15250, 19960, 24400, 24950, 30439, 30500, 39920, 49900, 60878, 61000, 62375, 99800, 121756, 122000, 124750, 152195, 199600, 243512, 249500, 304390, 487024, 499000, 608780, 760975, 998000, 1217560, 1521950, 2435120, 3043900, 3804875, 6087800, 7609750, 12175600, 15219500, 30439000, 60878000]

約数ペア:

[(1, 60878000), (2, 30439000), (4, 15219500), (5, 12175600), (8, 7609750), (10, 6087800), (16, 3804875), (20, 3043900), (25, 2435120), (40, 1521950), (50, 1217560), (61, 998000), (80, 760975), (100, 608780), (122, 499000), (125, 487024), (200, 304390), (244, 249500), (250, 243512), (305, 199600), (400, 152195), (488, 124750), (499, 122000), (500, 121756), (610, 99800), (976, 62375), (998, 61000), (1000, 60878), (1220, 49900), (1525, 39920), (1996, 30500), (2000, 30439), (2440, 24950), (2495, 24400), (3050, 19960), (3992, 15250), (4880, 12475), (4990, 12200), (6100, 9980), (7625, 7984)]