30077740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19531}}^1$

素因数の和:19558

約数の個数: 48

約数和(自身を含む): 78753024

約数和(自身を除く): 48675284

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 19531, 39062, 78124, 97655, 136717, 195310, 214841, 273434, 390620, 429682, 546868, 683585, 859364, 1074205, 1367170, 1503887, 2148410, 2734340, 3007774, 4296820, 6015548, 7519435, 15038870, 30077740]

約数ペア:

[(1, 30077740), (2, 15038870), (4, 7519435), (5, 6015548), (7, 4296820), (10, 3007774), (11, 2734340), (14, 2148410), (20, 1503887), (22, 1367170), (28, 1074205), (35, 859364), (44, 683585), (55, 546868), (70, 429682), (77, 390620), (110, 273434), (140, 214841), (154, 195310), (220, 136717), (308, 97655), (385, 78124), (770, 39062), (1540, 19531)]