146667820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{587}}^1$

素因数の和:671

約数の個数: 72

約数和(自身を含む): 343323792

約数和(自身を除く): 196655972

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 260, 310, 403, 587, 620, 806, 961, 1174, 1612, 1922, 2015, 2348, 2935, 3844, 4030, 4805, 5870, 7631, 8060, 9610, 11740, 12493, 15262, 18197, 19220, 24986, 30524, 36394, 38155, 49972, 62465, 72788, 76310, 90985, 124930, 152620, 181970, 236561, 249860, 363940, 473122, 564107, 946244, 1128214, 1182805, 2256428, 2365610, 2820535, 4731220, 5641070, 7333391, 11282140, 14666782, 29333564, 36666955, 73333910, 146667820]

約数ペア:

[(1, 146667820), (2, 73333910), (4, 36666955), (5, 29333564), (10, 14666782), (13, 11282140), (20, 7333391), (26, 5641070), (31, 4731220), (52, 2820535), (62, 2365610), (65, 2256428), (124, 1182805), (130, 1128214), (155, 946244), (260, 564107), (310, 473122), (403, 363940), (587, 249860), (620, 236561), (806, 181970), (961, 152620), (1174, 124930), (1612, 90985), (1922, 76310), (2015, 72788), (2348, 62465), (2935, 49972), (3844, 38155), (4030, 36394), (4805, 30524), (5870, 24986), (7631, 19220), (8060, 18197), (9610, 15262), (11740, 12493)]