219597140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{21487}}^1$

素因数の和:21576

約数の個数: 48

約数和(自身を含む): 534277632

約数和(自身を除く): 314680492

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 73, 140, 146, 292, 365, 511, 730, 1022, 1460, 2044, 2555, 5110, 10220, 21487, 42974, 85948, 107435, 150409, 214870, 300818, 429740, 601636, 752045, 1504090, 1568551, 3008180, 3137102, 6274204, 7842755, 10979857, 15685510, 21959714, 31371020, 43919428, 54899285, 109798570, 219597140]

約数ペア:

[(1, 219597140), (2, 109798570), (4, 54899285), (5, 43919428), (7, 31371020), (10, 21959714), (14, 15685510), (20, 10979857), (28, 7842755), (35, 6274204), (70, 3137102), (73, 3008180), (140, 1568551), (146, 1504090), (292, 752045), (365, 601636), (511, 429740), (730, 300818), (1022, 214870), (1460, 150409), (2044, 107435), (2555, 85948), (5110, 42974), (10220, 21487)]