577720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1$

素因数の和:136

約数の個数: 64

約数和(自身を含む): 1542240

約数和(自身を除く): 964520

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 26, 40, 44, 52, 55, 65, 88, 101, 104, 110, 130, 143, 202, 220, 260, 286, 404, 440, 505, 520, 572, 715, 808, 1010, 1111, 1144, 1313, 1430, 2020, 2222, 2626, 2860, 4040, 4444, 5252, 5555, 5720, 6565, 8888, 10504, 11110, 13130, 14443, 22220, 26260, 28886, 44440, 52520, 57772, 72215, 115544, 144430, 288860, 577720]

約数ペア:

[(1, 577720), (2, 288860), (4, 144430), (5, 115544), (8, 72215), (10, 57772), (11, 52520), (13, 44440), (20, 28886), (22, 26260), (26, 22220), (40, 14443), (44, 13130), (52, 11110), (55, 10504), (65, 8888), (88, 6565), (101, 5720), (104, 5555), (110, 5252), (130, 4444), (143, 4040), (202, 2860), (220, 2626), (260, 2222), (286, 2020), (404, 1430), (440, 1313), (505, 1144), (520, 1111), (572, 1010), (715, 808)]