29830780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{5197}}^1$

素因数の和:5254

約数の個数: 48

約数和(自身を含む): 73354176

約数和(自身を除く): 43523396

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 41, 70, 82, 140, 164, 205, 287, 410, 574, 820, 1148, 1435, 2870, 5197, 5740, 10394, 20788, 25985, 36379, 51970, 72758, 103940, 145516, 181895, 213077, 363790, 426154, 727580, 852308, 1065385, 1491539, 2130770, 2983078, 4261540, 5966156, 7457695, 14915390, 29830780]

約数ペア:

[(1, 29830780), (2, 14915390), (4, 7457695), (5, 5966156), (7, 4261540), (10, 2983078), (14, 2130770), (20, 1491539), (28, 1065385), (35, 852308), (41, 727580), (70, 426154), (82, 363790), (140, 213077), (164, 181895), (205, 145516), (287, 103940), (410, 72758), (574, 51970), (820, 36379), (1148, 25985), (1435, 20788), (2870, 10394), (5197, 5740)]