30905072

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{1973}}^1$

素因数の和:2081

約数の個数: 40

約数和(自身を含む): 66089520

約数和(自身を除く): 35184448

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 89, 176, 178, 356, 712, 979, 1424, 1958, 1973, 3916, 3946, 7832, 7892, 15664, 15784, 21703, 31568, 43406, 86812, 173624, 175597, 347248, 351194, 702388, 1404776, 1931567, 2809552, 3863134, 7726268, 15452536, 30905072]

約数ペア:

[(1, 30905072), (2, 15452536), (4, 7726268), (8, 3863134), (11, 2809552), (16, 1931567), (22, 1404776), (44, 702388), (88, 351194), (89, 347248), (176, 175597), (178, 173624), (356, 86812), (712, 43406), (979, 31568), (1424, 21703), (1958, 15784), (1973, 15664), (3916, 7892), (3946, 7832)]