521729140

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{19139}}^1$

素因数の和:19224

約数の個数: 48

約数和(自身を含む): 1157587200

約数和(自身を除く): 635858060

約数列:

[1, 2, 4, 5, 10, 20, 29, 47, 58, 94, 116, 145, 188, 235, 290, 470, 580, 940, 1363, 2726, 5452, 6815, 13630, 19139, 27260, 38278, 76556, 95695, 191390, 382780, 555031, 899533, 1110062, 1799066, 2220124, 2775155, 3598132, 4497665, 5550310, 8995330, 11100620, 17990660, 26086457, 52172914, 104345828, 130432285, 260864570, 521729140]

約数ペア:

[(1, 521729140), (2, 260864570), (4, 130432285), (5, 104345828), (10, 52172914), (20, 26086457), (29, 17990660), (47, 11100620), (58, 8995330), (94, 5550310), (116, 4497665), (145, 3598132), (188, 2775155), (235, 2220124), (290, 1799066), (470, 1110062), (580, 899533), (940, 555031), (1363, 382780), (2726, 191390), (5452, 95695), (6815, 76556), (13630, 38278), (19139, 27260)]