854920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1$

素因数の和:118

約数の個数: 64

約数和(自身を含む): 2203200

約数和(自身を除く): 1348280

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 29, 40, 44, 55, 58, 67, 88, 110, 116, 134, 145, 220, 232, 268, 290, 319, 335, 440, 536, 580, 638, 670, 737, 1160, 1276, 1340, 1474, 1595, 1943, 2552, 2680, 2948, 3190, 3685, 3886, 5896, 6380, 7370, 7772, 9715, 12760, 14740, 15544, 19430, 21373, 29480, 38860, 42746, 77720, 85492, 106865, 170984, 213730, 427460, 854920]

約数ペア:

[(1, 854920), (2, 427460), (4, 213730), (5, 170984), (8, 106865), (10, 85492), (11, 77720), (20, 42746), (22, 38860), (29, 29480), (40, 21373), (44, 19430), (55, 15544), (58, 14740), (67, 12760), (88, 9715), (110, 7772), (116, 7370), (134, 6380), (145, 5896), (220, 3886), (232, 3685), (268, 3190), (290, 2948), (319, 2680), (335, 2552), (440, 1943), (536, 1595), (580, 1474), (638, 1340), (670, 1276), (737, 1160)]