227907820

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{313}}^1\times {\mathrm{743}}^1$

素因数の和:1079

約数の個数: 72

約数和(自身を含む): 559276704

約数和(自身を除く): 331368884

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 313, 490, 626, 743, 980, 1252, 1486, 1565, 2191, 2972, 3130, 3715, 4382, 5201, 6260, 7430, 8764, 10402, 10955, 14860, 15337, 20804, 21910, 26005, 30674, 36407, 43820, 52010, 61348, 72814, 76685, 104020, 145628, 153370, 182035, 232559, 306740, 364070, 465118, 728140, 930236, 1162795, 1627913, 2325590, 3255826, 4651180, 6511652, 8139565, 11395391, 16279130, 22790782, 32558260, 45581564, 56976955, 113953910, 227907820]

約数ペア:

[(1, 227907820), (2, 113953910), (4, 56976955), (5, 45581564), (7, 32558260), (10, 22790782), (14, 16279130), (20, 11395391), (28, 8139565), (35, 6511652), (49, 4651180), (70, 3255826), (98, 2325590), (140, 1627913), (196, 1162795), (245, 930236), (313, 728140), (490, 465118), (626, 364070), (743, 306740), (980, 232559), (1252, 182035), (1486, 153370), (1565, 145628), (2191, 104020), (2972, 76685), (3130, 72814), (3715, 61348), (4382, 52010), (5201, 43820), (6260, 36407), (7430, 30674), (8764, 26005), (10402, 21910), (10955, 20804), (14860, 15337)]