260320340

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{109}}^1\times {\mathrm{2437}}^1$

素因数の和:2569

約数の個数: 72

約数和(自身を含む): 642022920

約数和(自身を除く): 381702580

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 109, 140, 196, 218, 245, 436, 490, 545, 763, 980, 1090, 1526, 2180, 2437, 3052, 3815, 4874, 5341, 7630, 9748, 10682, 12185, 15260, 17059, 21364, 24370, 26705, 34118, 48740, 53410, 68236, 85295, 106820, 119413, 170590, 238826, 265633, 341180, 477652, 531266, 597065, 1062532, 1194130, 1328165, 1859431, 2388260, 2656330, 3718862, 5312660, 7437724, 9297155, 13016017, 18594310, 26032034, 37188620, 52064068, 65080085, 130160170, 260320340]

約数ペア:

[(1, 260320340), (2, 130160170), (4, 65080085), (5, 52064068), (7, 37188620), (10, 26032034), (14, 18594310), (20, 13016017), (28, 9297155), (35, 7437724), (49, 5312660), (70, 3718862), (98, 2656330), (109, 2388260), (140, 1859431), (196, 1328165), (218, 1194130), (245, 1062532), (436, 597065), (490, 531266), (545, 477652), (763, 341180), (980, 265633), (1090, 238826), (1526, 170590), (2180, 119413), (2437, 106820), (3052, 85295), (3815, 68236), (4874, 53410), (5341, 48740), (7630, 34118), (9748, 26705), (10682, 24370), (12185, 21364), (15260, 17059)]