30798460

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{2857}}^1$

素因数の和:2891

約数の個数: 72

約数和(自身を含む): 82104624

約数和(自身を除く): 51306164

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 49, 55, 70, 77, 98, 110, 140, 154, 196, 220, 245, 308, 385, 490, 539, 770, 980, 1078, 1540, 2156, 2695, 2857, 5390, 5714, 10780, 11428, 14285, 19999, 28570, 31427, 39998, 57140, 62854, 79996, 99995, 125708, 139993, 157135, 199990, 219989, 279986, 314270, 399980, 439978, 559972, 628540, 699965, 879956, 1099945, 1399930, 1539923, 2199890, 2799860, 3079846, 4399780, 6159692, 7699615, 15399230, 30798460]

約数ペア:

[(1, 30798460), (2, 15399230), (4, 7699615), (5, 6159692), (7, 4399780), (10, 3079846), (11, 2799860), (14, 2199890), (20, 1539923), (22, 1399930), (28, 1099945), (35, 879956), (44, 699965), (49, 628540), (55, 559972), (70, 439978), (77, 399980), (98, 314270), (110, 279986), (140, 219989), (154, 199990), (196, 157135), (220, 139993), (245, 125708), (308, 99995), (385, 79996), (490, 62854), (539, 57140), (770, 39998), (980, 31427), (1078, 28570), (1540, 19999), (2156, 14285), (2695, 11428), (2857, 10780), (5390, 5714)]