154500520

素因数分解:

$2^3\times 5^1\times {\mathrm{613}}^1\times {\mathrm{6301}}^1$

素因数の和:6925

約数の個数: 32

約数和(自身を含む): 348248520

約数和(自身を除く): 193748000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 613, 1226, 2452, 3065, 4904, 6130, 6301, 12260, 12602, 24520, 25204, 31505, 50408, 63010, 126020, 252040, 3862513, 7725026, 15450052, 19312565, 30900104, 38625130, 77250260, 154500520]

約数ペア:

[(1, 154500520), (2, 77250260), (4, 38625130), (5, 30900104), (8, 19312565), (10, 15450052), (20, 7725026), (40, 3862513), (613, 252040), (1226, 126020), (2452, 63010), (3065, 50408), (4904, 31505), (6130, 25204), (6301, 24520), (12260, 12602)]