680494000

素因数分解:

$2^4\times 5^3\times {\mathrm{89}}^1\times {\mathrm{3823}}^1$

素因数の和:3935

約数の個数: 80

約数和(自身を含む): 1664357760

約数和(自身を除く): 983863760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 89, 100, 125, 178, 200, 250, 356, 400, 445, 500, 712, 890, 1000, 1424, 1780, 2000, 2225, 3560, 3823, 4450, 7120, 7646, 8900, 11125, 15292, 17800, 19115, 22250, 30584, 35600, 38230, 44500, 61168, 76460, 89000, 95575, 152920, 178000, 191150, 305840, 340247, 382300, 477875, 680494, 764600, 955750, 1360988, 1529200, 1701235, 1911500, 2721976, 3402470, 3823000, 5443952, 6804940, 7646000, 8506175, 13609880, 17012350, 27219760, 34024700, 42530875, 68049400, 85061750, 136098800, 170123500, 340247000, 680494000]

約数ペア:

[(1, 680494000), (2, 340247000), (4, 170123500), (5, 136098800), (8, 85061750), (10, 68049400), (16, 42530875), (20, 34024700), (25, 27219760), (40, 17012350), (50, 13609880), (80, 8506175), (89, 7646000), (100, 6804940), (125, 5443952), (178, 3823000), (200, 3402470), (250, 2721976), (356, 1911500), (400, 1701235), (445, 1529200), (500, 1360988), (712, 955750), (890, 764600), (1000, 680494), (1424, 477875), (1780, 382300), (2000, 340247), (2225, 305840), (3560, 191150), (3823, 178000), (4450, 152920), (7120, 95575), (7646, 89000), (8900, 76460), (11125, 61168), (15292, 44500), (17800, 38230), (19115, 35600), (22250, 30584)]