1647090140

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{16921}}^1$

素因数の和:17118

約数の個数: 48

約数和(自身を含む): 3593420544

約数和(自身を除く): 1946330404

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 157, 310, 314, 620, 628, 785, 1570, 3140, 4867, 9734, 16921, 19468, 24335, 33842, 48670, 67684, 84605, 97340, 169210, 338420, 524551, 1049102, 2098204, 2622755, 2656597, 5245510, 5313194, 10491020, 10626388, 13282985, 26565970, 53131940, 82354507, 164709014, 329418028, 411772535, 823545070, 1647090140]

約数ペア:

[(1, 1647090140), (2, 823545070), (4, 411772535), (5, 329418028), (10, 164709014), (20, 82354507), (31, 53131940), (62, 26565970), (124, 13282985), (155, 10626388), (157, 10491020), (310, 5313194), (314, 5245510), (620, 2656597), (628, 2622755), (785, 2098204), (1570, 1049102), (3140, 524551), (4867, 338420), (9734, 169210), (16921, 97340), (19468, 84605), (24335, 67684), (33842, 48670)]