13664140

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{73}}^1\times {\mathrm{191}}^1$

素因数の和:287

約数の個数: 72

約数和(自身を含む): 34013952

約数和(自身を除く): 20349812

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 73, 98, 140, 146, 191, 196, 245, 292, 365, 382, 490, 511, 730, 764, 955, 980, 1022, 1337, 1460, 1910, 2044, 2555, 2674, 3577, 3820, 5110, 5348, 6685, 7154, 9359, 10220, 13370, 13943, 14308, 17885, 18718, 26740, 27886, 35770, 37436, 46795, 55772, 69715, 71540, 93590, 97601, 139430, 187180, 195202, 278860, 390404, 488005, 683207, 976010, 1366414, 1952020, 2732828, 3416035, 6832070, 13664140]

約数ペア:

[(1, 13664140), (2, 6832070), (4, 3416035), (5, 2732828), (7, 1952020), (10, 1366414), (14, 976010), (20, 683207), (28, 488005), (35, 390404), (49, 278860), (70, 195202), (73, 187180), (98, 139430), (140, 97601), (146, 93590), (191, 71540), (196, 69715), (245, 55772), (292, 46795), (365, 37436), (382, 35770), (490, 27886), (511, 26740), (730, 18718), (764, 17885), (955, 14308), (980, 13943), (1022, 13370), (1337, 10220), (1460, 9359), (1910, 7154), (2044, 6685), (2555, 5348), (2674, 5110), (3577, 3820)]