487330180

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{6367}}^1$

素因数の和:6508

約数の個数: 48

約数和(自身を含む): 1059125760

約数和(自身を除く): 571795580

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 89, 172, 178, 215, 356, 430, 445, 860, 890, 1780, 3827, 6367, 7654, 12734, 15308, 19135, 25468, 31835, 38270, 63670, 76540, 127340, 273781, 547562, 566663, 1095124, 1133326, 1368905, 2266652, 2737810, 2833315, 5475620, 5666630, 11333260, 24366509, 48733018, 97466036, 121832545, 243665090, 487330180]

約数ペア:

[(1, 487330180), (2, 243665090), (4, 121832545), (5, 97466036), (10, 48733018), (20, 24366509), (43, 11333260), (86, 5666630), (89, 5475620), (172, 2833315), (178, 2737810), (215, 2266652), (356, 1368905), (430, 1133326), (445, 1095124), (860, 566663), (890, 547562), (1780, 273781), (3827, 127340), (6367, 76540), (7654, 63670), (12734, 38270), (15308, 31835), (19135, 25468)]