30780988

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{57859}}^1$

素因数の和:57889

約数の個数: 24

約数和(自身を含む): 64803200

約数和(自身を除く): 34022212

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 532, 57859, 115718, 231436, 405013, 810026, 1099321, 1620052, 2198642, 4397284, 7695247, 15390494, 30780988]

約数ペア:

[(1, 30780988), (2, 15390494), (4, 7695247), (7, 4397284), (14, 2198642), (19, 1620052), (28, 1099321), (38, 810026), (76, 405013), (133, 231436), (266, 115718), (532, 57859)]