49222420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{197}}^1$

素因数の和:281

約数の個数: 72

約数和(自身を含む): 115609032

約数和(自身を除く): 66386612

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 197, 260, 310, 394, 403, 620, 788, 806, 961, 985, 1612, 1922, 1970, 2015, 2561, 3844, 3940, 4030, 4805, 5122, 6107, 8060, 9610, 10244, 12214, 12493, 12805, 19220, 24428, 24986, 25610, 30535, 49972, 51220, 61070, 62465, 79391, 122140, 124930, 158782, 189317, 249860, 317564, 378634, 396955, 757268, 793910, 946585, 1587820, 1893170, 2461121, 3786340, 4922242, 9844484, 12305605, 24611210, 49222420]

約数ペア:

[(1, 49222420), (2, 24611210), (4, 12305605), (5, 9844484), (10, 4922242), (13, 3786340), (20, 2461121), (26, 1893170), (31, 1587820), (52, 946585), (62, 793910), (65, 757268), (124, 396955), (130, 378634), (155, 317564), (197, 249860), (260, 189317), (310, 158782), (394, 124930), (403, 122140), (620, 79391), (788, 62465), (806, 61070), (961, 51220), (985, 49972), (1612, 30535), (1922, 25610), (1970, 24986), (2015, 24428), (2561, 19220), (3844, 12805), (3940, 12493), (4030, 12214), (4805, 10244), (5122, 9610), (6107, 8060)]