2057804980

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{190891}}^1$

素因数の和:190925

約数の個数: 72

約数和(自身を含む): 5483945376

約数和(自身を除く): 3426140396

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 49, 55, 70, 77, 98, 110, 140, 154, 196, 220, 245, 308, 385, 490, 539, 770, 980, 1078, 1540, 2156, 2695, 5390, 10780, 190891, 381782, 763564, 954455, 1336237, 1908910, 2099801, 2672474, 3817820, 4199602, 5344948, 6681185, 8399204, 9353659, 10499005, 13362370, 14698607, 18707318, 20998010, 26724740, 29397214, 37414636, 41996020, 46768295, 58794428, 73493035, 93536590, 102890249, 146986070, 187073180, 205780498, 293972140, 411560996, 514451245, 1028902490, 2057804980]

約数ペア:

[(1, 2057804980), (2, 1028902490), (4, 514451245), (5, 411560996), (7, 293972140), (10, 205780498), (11, 187073180), (14, 146986070), (20, 102890249), (22, 93536590), (28, 73493035), (35, 58794428), (44, 46768295), (49, 41996020), (55, 37414636), (70, 29397214), (77, 26724740), (98, 20998010), (110, 18707318), (140, 14698607), (154, 13362370), (196, 10499005), (220, 9353659), (245, 8399204), (308, 6681185), (385, 5344948), (490, 4199602), (539, 3817820), (770, 2672474), (980, 2099801), (1078, 1908910), (1540, 1336237), (2156, 954455), (2695, 763564), (5390, 381782), (10780, 190891)]