788691140

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{313}}^1\times {\mathrm{349}}^1$

素因数の和:709

約数の個数: 72

約数和(自身を含む): 1758619800

約数和(自身を除く): 969928660

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 313, 349, 361, 380, 626, 698, 722, 1252, 1396, 1444, 1565, 1745, 1805, 3130, 3490, 3610, 5947, 6260, 6631, 6980, 7220, 11894, 13262, 23788, 26524, 29735, 33155, 59470, 66310, 109237, 112993, 118940, 125989, 132620, 218474, 225986, 251978, 436948, 451972, 503956, 546185, 564965, 629945, 1092370, 1129930, 1259890, 2075503, 2184740, 2259860, 2519780, 4151006, 8302012, 10377515, 20755030, 39434557, 41510060, 78869114, 157738228, 197172785, 394345570, 788691140]

約数ペア:

[(1, 788691140), (2, 394345570), (4, 197172785), (5, 157738228), (10, 78869114), (19, 41510060), (20, 39434557), (38, 20755030), (76, 10377515), (95, 8302012), (190, 4151006), (313, 2519780), (349, 2259860), (361, 2184740), (380, 2075503), (626, 1259890), (698, 1129930), (722, 1092370), (1252, 629945), (1396, 564965), (1444, 546185), (1565, 503956), (1745, 451972), (1805, 436948), (3130, 251978), (3490, 225986), (3610, 218474), (5947, 132620), (6260, 125989), (6631, 118940), (6980, 112993), (7220, 109237), (11894, 66310), (13262, 59470), (23788, 33155), (26524, 29735)]