172649840

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{196193}}^1$

素因数の和:196217

約数の個数: 40

約数和(自身を含む): 437905008

約数和(自身を除く): 265255168

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 196193, 392386, 784772, 980965, 1569544, 1961930, 2158123, 3139088, 3923860, 4316246, 7847720, 8632492, 10790615, 15695440, 17264984, 21581230, 34529968, 43162460, 86324920, 172649840]

約数ペア:

[(1, 172649840), (2, 86324920), (4, 43162460), (5, 34529968), (8, 21581230), (10, 17264984), (11, 15695440), (16, 10790615), (20, 8632492), (22, 7847720), (40, 4316246), (44, 3923860), (55, 3139088), (80, 2158123), (88, 1961930), (110, 1569544), (176, 980965), (220, 784772), (440, 392386), (880, 196193)]