13478780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{2239}}^1$

素因数の和:2298

約数の個数: 48

約数和(自身を含む): 33116160

約数和(自身を除く): 19637380

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 43, 70, 86, 140, 172, 215, 301, 430, 602, 860, 1204, 1505, 2239, 3010, 4478, 6020, 8956, 11195, 15673, 22390, 31346, 44780, 62692, 78365, 96277, 156730, 192554, 313460, 385108, 481385, 673939, 962770, 1347878, 1925540, 2695756, 3369695, 6739390, 13478780]

約数ペア:

[(1, 13478780), (2, 6739390), (4, 3369695), (5, 2695756), (7, 1925540), (10, 1347878), (14, 962770), (20, 673939), (28, 481385), (35, 385108), (43, 313460), (70, 192554), (86, 156730), (140, 96277), (172, 78365), (215, 62692), (301, 44780), (430, 31346), (602, 22390), (860, 15673), (1204, 11195), (1505, 8956), (2239, 6020), (3010, 4478)]