86918180

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{1609}}^1$

素因数の和:1728

約数の個数: 48

約数和(自身を含む): 190147440

約数和(自身を除く): 103229260

約数列:

[1, 2, 4, 5, 10, 20, 37, 73, 74, 146, 148, 185, 292, 365, 370, 730, 740, 1460, 1609, 2701, 3218, 5402, 6436, 8045, 10804, 13505, 16090, 27010, 32180, 54020, 59533, 117457, 119066, 234914, 238132, 297665, 469828, 587285, 595330, 1174570, 1190660, 2349140, 4345909, 8691818, 17383636, 21729545, 43459090, 86918180]

約数ペア:

[(1, 86918180), (2, 43459090), (4, 21729545), (5, 17383636), (10, 8691818), (20, 4345909), (37, 2349140), (73, 1190660), (74, 1174570), (146, 595330), (148, 587285), (185, 469828), (292, 297665), (365, 238132), (370, 234914), (730, 119066), (740, 117457), (1460, 59533), (1609, 54020), (2701, 32180), (3218, 27010), (5402, 16090), (6436, 13505), (8045, 10804)]