664742740

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{47279}}^1$

素因数の和:47344

約数の個数: 48

約数和(自身を含む): 1509177600

約数和(自身を除く): 844434860

約数列:

[1, 2, 4, 5, 10, 19, 20, 37, 38, 74, 76, 95, 148, 185, 190, 370, 380, 703, 740, 1406, 2812, 3515, 7030, 14060, 47279, 94558, 189116, 236395, 472790, 898301, 945580, 1749323, 1796602, 3498646, 3593204, 4491505, 6997292, 8746615, 8983010, 17493230, 17966020, 33237137, 34986460, 66474274, 132948548, 166185685, 332371370, 664742740]

約数ペア:

[(1, 664742740), (2, 332371370), (4, 166185685), (5, 132948548), (10, 66474274), (19, 34986460), (20, 33237137), (37, 17966020), (38, 17493230), (74, 8983010), (76, 8746615), (95, 6997292), (148, 4491505), (185, 3593204), (190, 3498646), (370, 1796602), (380, 1749323), (703, 945580), (740, 898301), (1406, 472790), (2812, 236395), (3515, 189116), (7030, 94558), (14060, 47279)]