49997740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{349}}^1$

素因数の和:419

約数の個数: 96

約数和(自身を含む): 123480000

約数和(自身を除く): 73482260

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 29, 38, 52, 58, 65, 76, 95, 116, 130, 145, 190, 247, 260, 290, 349, 377, 380, 494, 551, 580, 698, 754, 988, 1102, 1235, 1396, 1508, 1745, 1885, 2204, 2470, 2755, 3490, 3770, 4537, 4940, 5510, 6631, 6980, 7163, 7540, 9074, 10121, 11020, 13262, 14326, 18148, 20242, 22685, 26524, 28652, 33155, 35815, 40484, 45370, 50605, 66310, 71630, 86203, 90740, 101210, 131573, 132620, 143260, 172406, 192299, 202420, 263146, 344812, 384598, 431015, 526292, 657865, 769196, 862030, 961495, 1315730, 1724060, 1922990, 2499887, 2631460, 3845980, 4999774, 9999548, 12499435, 24998870, 49997740]

約数ペア:

[(1, 49997740), (2, 24998870), (4, 12499435), (5, 9999548), (10, 4999774), (13, 3845980), (19, 2631460), (20, 2499887), (26, 1922990), (29, 1724060), (38, 1315730), (52, 961495), (58, 862030), (65, 769196), (76, 657865), (95, 526292), (116, 431015), (130, 384598), (145, 344812), (190, 263146), (247, 202420), (260, 192299), (290, 172406), (349, 143260), (377, 132620), (380, 131573), (494, 101210), (551, 90740), (580, 86203), (698, 71630), (754, 66310), (988, 50605), (1102, 45370), (1235, 40484), (1396, 35815), (1508, 33155), (1745, 28652), (1885, 26524), (2204, 22685), (2470, 20242), (2755, 18148), (3490, 14326), (3770, 13262), (4537, 11020), (4940, 10121), (5510, 9074), (6631, 7540), (6980, 7163)]