1366540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{227}}^1$

素因数の和:286

約数の個数: 48

約数和(自身を含む): 3370752

約数和(自身を除く): 2004212

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 43, 70, 86, 140, 172, 215, 227, 301, 430, 454, 602, 860, 908, 1135, 1204, 1505, 1589, 2270, 3010, 3178, 4540, 6020, 6356, 7945, 9761, 15890, 19522, 31780, 39044, 48805, 68327, 97610, 136654, 195220, 273308, 341635, 683270, 1366540]

約数ペア:

[(1, 1366540), (2, 683270), (4, 341635), (5, 273308), (7, 195220), (10, 136654), (14, 97610), (20, 68327), (28, 48805), (35, 39044), (43, 31780), (70, 19522), (86, 15890), (140, 9761), (172, 7945), (215, 6356), (227, 6020), (301, 4540), (430, 3178), (454, 3010), (602, 2270), (860, 1589), (908, 1505), (1135, 1204)]