1245165020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{514531}}^1$

素因数の和:514562

約数の個数: 36

約数和(自身を含む): 2874175752

約数和(自身を除く): 1629010732

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 1210, 2420, 514531, 1029062, 2058124, 2572655, 5145310, 5659841, 10290620, 11319682, 22639364, 28299205, 56598410, 62258251, 113196820, 124516502, 249033004, 311291255, 622582510, 1245165020]

約数ペア:

[(1, 1245165020), (2, 622582510), (4, 311291255), (5, 249033004), (10, 124516502), (11, 113196820), (20, 62258251), (22, 56598410), (44, 28299205), (55, 22639364), (110, 11319682), (121, 10290620), (220, 5659841), (242, 5145310), (484, 2572655), (605, 2058124), (1210, 1029062), (2420, 514531)]