12985000

素因数分解:

$2^3\times 5^4\times 7^2\times {\mathrm{53}}^1$

素因数の和:93

約数の個数: 120

約数和(自身を含む): 36058770

約数和(自身を除く): 23073770

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 49, 50, 53, 56, 70, 98, 100, 106, 125, 140, 175, 196, 200, 212, 245, 250, 265, 280, 350, 371, 392, 424, 490, 500, 530, 625, 700, 742, 875, 980, 1000, 1060, 1225, 1250, 1325, 1400, 1484, 1750, 1855, 1960, 2120, 2450, 2500, 2597, 2650, 2968, 3500, 3710, 4375, 4900, 5000, 5194, 5300, 6125, 6625, 7000, 7420, 8750, 9275, 9800, 10388, 10600, 12250, 12985, 13250, 14840, 17500, 18550, 20776, 24500, 25970, 26500, 30625, 33125, 35000, 37100, 46375, 49000, 51940, 53000, 61250, 64925, 66250, 74200, 92750, 103880, 122500, 129850, 132500, 185500, 231875, 245000, 259700, 265000, 324625, 371000, 463750, 519400, 649250, 927500, 1298500, 1623125, 1855000, 2597000, 3246250, 6492500, 12985000]

約数ペア:

[(1, 12985000), (2, 6492500), (4, 3246250), (5, 2597000), (7, 1855000), (8, 1623125), (10, 1298500), (14, 927500), (20, 649250), (25, 519400), (28, 463750), (35, 371000), (40, 324625), (49, 265000), (50, 259700), (53, 245000), (56, 231875), (70, 185500), (98, 132500), (100, 129850), (106, 122500), (125, 103880), (140, 92750), (175, 74200), (196, 66250), (200, 64925), (212, 61250), (245, 53000), (250, 51940), (265, 49000), (280, 46375), (350, 37100), (371, 35000), (392, 33125), (424, 30625), (490, 26500), (500, 25970), (530, 24500), (625, 20776), (700, 18550), (742, 17500), (875, 14840), (980, 13250), (1000, 12985), (1060, 12250), (1225, 10600), (1250, 10388), (1325, 9800), (1400, 9275), (1484, 8750), (1750, 7420), (1855, 7000), (1960, 6625), (2120, 6125), (2450, 5300), (2500, 5194), (2597, 5000), (2650, 4900), (2968, 4375), (3500, 3710)]