30179380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19597}}^1$

素因数の和:19624

約数の個数: 48

約数和(自身を含む): 79019136

約数和(自身を除く): 48839756

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, 19597, 39194, 78388, 97985, 137179, 195970, 215567, 274358, 391940, 431134, 548716, 685895, 862268, 1077835, 1371790, 1508969, 2155670, 2743580, 3017938, 4311340, 6035876, 7544845, 15089690, 30179380]

約数ペア:

[(1, 30179380), (2, 15089690), (4, 7544845), (5, 6035876), (7, 4311340), (10, 3017938), (11, 2743580), (14, 2155670), (20, 1508969), (22, 1371790), (28, 1077835), (35, 862268), (44, 685895), (55, 548716), (70, 431134), (77, 391940), (110, 274358), (140, 215567), (154, 195970), (220, 137179), (308, 97985), (385, 78388), (770, 39194), (1540, 19597)]