664691860

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{14431}}^1$

素因数の和:14501

約数の個数: 72

約数和(自身を含む): 1658409984

約数和(自身を除く): 993718124

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 47, 49, 70, 94, 98, 140, 188, 196, 235, 245, 329, 470, 490, 658, 940, 980, 1316, 1645, 2303, 3290, 4606, 6580, 9212, 11515, 14431, 23030, 28862, 46060, 57724, 72155, 101017, 144310, 202034, 288620, 404068, 505085, 678257, 707119, 1010170, 1356514, 1414238, 2020340, 2713028, 2828476, 3391285, 3535595, 4747799, 6782570, 7071190, 9495598, 13565140, 14142380, 18991196, 23738995, 33234593, 47477990, 66469186, 94955980, 132938372, 166172965, 332345930, 664691860]

約数ペア:

[(1, 664691860), (2, 332345930), (4, 166172965), (5, 132938372), (7, 94955980), (10, 66469186), (14, 47477990), (20, 33234593), (28, 23738995), (35, 18991196), (47, 14142380), (49, 13565140), (70, 9495598), (94, 7071190), (98, 6782570), (140, 4747799), (188, 3535595), (196, 3391285), (235, 2828476), (245, 2713028), (329, 2020340), (470, 1414238), (490, 1356514), (658, 1010170), (940, 707119), (980, 678257), (1316, 505085), (1645, 404068), (2303, 288620), (3290, 202034), (4606, 144310), (6580, 101017), (9212, 72155), (11515, 57724), (14431, 46060), (23030, 28862)]