828520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{269}}^1$

素因数の和:298

約数の個数: 64

約数和(自身を含む): 2332800

約数和(自身を除く): 1504280

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 110, 140, 154, 220, 269, 280, 308, 385, 440, 538, 616, 770, 1076, 1345, 1540, 1883, 2152, 2690, 2959, 3080, 3766, 5380, 5918, 7532, 9415, 10760, 11836, 14795, 15064, 18830, 20713, 23672, 29590, 37660, 41426, 59180, 75320, 82852, 103565, 118360, 165704, 207130, 414260, 828520]

約数ペア:

[(1, 828520), (2, 414260), (4, 207130), (5, 165704), (7, 118360), (8, 103565), (10, 82852), (11, 75320), (14, 59180), (20, 41426), (22, 37660), (28, 29590), (35, 23672), (40, 20713), (44, 18830), (55, 15064), (56, 14795), (70, 11836), (77, 10760), (88, 9415), (110, 7532), (140, 5918), (154, 5380), (220, 3766), (269, 3080), (280, 2959), (308, 2690), (385, 2152), (440, 1883), (538, 1540), (616, 1345), (770, 1076)]