208076140

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{313}}^1\times {\mathrm{773}}^1$

素因数の和:1138

約数の個数: 48

約数和(自身を含む): 449130528

約数和(自身を除く): 241054388

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 313, 430, 626, 773, 860, 1252, 1546, 1565, 3092, 3130, 3865, 6260, 7730, 13459, 15460, 26918, 33239, 53836, 66478, 67295, 132956, 134590, 166195, 241949, 269180, 332390, 483898, 664780, 967796, 1209745, 2419490, 4838980, 10403807, 20807614, 41615228, 52019035, 104038070, 208076140]

約数ペア:

[(1, 208076140), (2, 104038070), (4, 52019035), (5, 41615228), (10, 20807614), (20, 10403807), (43, 4838980), (86, 2419490), (172, 1209745), (215, 967796), (313, 664780), (430, 483898), (626, 332390), (773, 269180), (860, 241949), (1252, 166195), (1546, 134590), (1565, 132956), (3092, 67295), (3130, 66478), (3865, 53836), (6260, 33239), (7730, 26918), (13459, 15460)]