87041780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{251}}^1\times {\mathrm{2477}}^1$

素因数の和:2744

約数の個数: 48

約数和(自身を含む): 209817216

約数和(自身を除く): 122775436

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 251, 502, 1004, 1255, 1757, 2477, 2510, 3514, 4954, 5020, 7028, 8785, 9908, 12385, 17339, 17570, 24770, 34678, 35140, 49540, 69356, 86695, 173390, 346780, 621727, 1243454, 2486908, 3108635, 4352089, 6217270, 8704178, 12434540, 17408356, 21760445, 43520890, 87041780]

約数ペア:

[(1, 87041780), (2, 43520890), (4, 21760445), (5, 17408356), (7, 12434540), (10, 8704178), (14, 6217270), (20, 4352089), (28, 3108635), (35, 2486908), (70, 1243454), (140, 621727), (251, 346780), (502, 173390), (1004, 86695), (1255, 69356), (1757, 49540), (2477, 35140), (2510, 34678), (3514, 24770), (4954, 17570), (5020, 17339), (7028, 12385), (8785, 9908)]