1724060

素因数分解:

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

素因数の和:390

約数の個数: 48

約数和(自身を含む): 4116000

約数和(自身を除く): 2391940

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 190, 247, 260, 349, 380, 494, 698, 988, 1235, 1396, 1745, 2470, 3490, 4537, 4940, 6631, 6980, 9074, 13262, 18148, 22685, 26524, 33155, 45370, 66310, 86203, 90740, 132620, 172406, 344812, 431015, 862030, 1724060]

約数ペア:

[(1, 1724060), (2, 862030), (4, 431015), (5, 344812), (10, 172406), (13, 132620), (19, 90740), (20, 86203), (26, 66310), (38, 45370), (52, 33155), (65, 26524), (76, 22685), (95, 18148), (130, 13262), (190, 9074), (247, 6980), (260, 6631), (349, 4940), (380, 4537), (494, 3490), (698, 2470), (988, 1745), (1235, 1396)]