1900534354420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{7606397}}^1$

素因数の和:7606481

約数の個数: 72

約数和(自身を含む): 4441254089832

約数和(自身を除く): 2540719735412

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 260, 310, 403, 620, 806, 961, 1612, 1922, 2015, 3844, 4030, 4805, 8060, 9610, 12493, 19220, 24986, 49972, 62465, 124930, 249860, 7606397, 15212794, 30425588, 38031985, 76063970, 98883161, 152127940, 197766322, 235798307, 395532644, 471596614, 494415805, 943193228, 988831610, 1178991535, 1977663220, 2357983070, 3065377991, 4715966140, 6130755982, 7309747517, 12261511964, 14619495034, 15326889955, 29238990068, 30653779910, 36548737585, 61307559820, 73097475170, 95026717721, 146194950340, 190053435442, 380106870884, 475133588605, 950267177210, 1900534354420]

約数ペア:

[(1, 1900534354420), (2, 950267177210), (4, 475133588605), (5, 380106870884), (10, 190053435442), (13, 146194950340), (20, 95026717721), (26, 73097475170), (31, 61307559820), (52, 36548737585), (62, 30653779910), (65, 29238990068), (124, 15326889955), (130, 14619495034), (155, 12261511964), (260, 7309747517), (310, 6130755982), (403, 4715966140), (620, 3065377991), (806, 2357983070), (961, 1977663220), (1612, 1178991535), (1922, 988831610), (2015, 943193228), (3844, 494415805), (4030, 471596614), (4805, 395532644), (8060, 235798307), (9610, 197766322), (12493, 152127940), (19220, 98883161), (24986, 76063970), (49972, 38031985), (62465, 30425588), (124930, 15212794), (249860, 7606397)]