1900758470840

素因数分解:

$2^3\times 5^1\times {\mathrm{1489}}^1\times {\mathrm{2521}}^1\times {\mathrm{12659}}^1$

素因数の和:16680

約数の個数: 64

約数和(自身を含む): 4281614532000

約数和(自身を除く): 2380856061160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1489, 2521, 2978, 5042, 5956, 7445, 10084, 11912, 12605, 12659, 14890, 20168, 25210, 25318, 29780, 50420, 50636, 59560, 63295, 100840, 101272, 126590, 253180, 506360, 3753769, 7507538, 15015076, 18768845, 18849251, 30030152, 31913339, 37537690, 37698502, 63826678, 75075380, 75397004, 94246255, 127653356, 150150760, 150794008, 159566695, 188492510, 255306712, 319133390, 376985020, 638266780, 753970040, 1276533560, 47518961771, 95037923542, 190075847084, 237594808855, 380151694168, 475189617710, 950379235420, 1900758470840]

約数ペア:

[(1, 1900758470840), (2, 950379235420), (4, 475189617710), (5, 380151694168), (8, 237594808855), (10, 190075847084), (20, 95037923542), (40, 47518961771), (1489, 1276533560), (2521, 753970040), (2978, 638266780), (5042, 376985020), (5956, 319133390), (7445, 255306712), (10084, 188492510), (11912, 159566695), (12605, 150794008), (12659, 150150760), (14890, 127653356), (20168, 94246255), (25210, 75397004), (25318, 75075380), (29780, 63826678), (50420, 37698502), (50636, 37537690), (59560, 31913339), (63295, 30030152), (100840, 18849251), (101272, 18768845), (126590, 15015076), (253180, 7507538), (506360, 3753769)]