205705940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^2\times {\mathrm{683}}^1$

素因数の和:777

約数の個数: 72

約数和(自身を含む): 485043552

約数和(自身を除く): 279337612

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 37, 44, 55, 74, 110, 148, 185, 220, 370, 407, 683, 740, 814, 1366, 1369, 1628, 2035, 2732, 2738, 3415, 4070, 5476, 6830, 6845, 7513, 8140, 13660, 13690, 15026, 15059, 25271, 27380, 30052, 30118, 37565, 50542, 60236, 75130, 75295, 101084, 126355, 150260, 150590, 252710, 277981, 301180, 505420, 555962, 935027, 1111924, 1389905, 1870054, 2779810, 3740108, 4675135, 5559620, 9350270, 10285297, 18700540, 20570594, 41141188, 51426485, 102852970, 205705940]

約数ペア:

[(1, 205705940), (2, 102852970), (4, 51426485), (5, 41141188), (10, 20570594), (11, 18700540), (20, 10285297), (22, 9350270), (37, 5559620), (44, 4675135), (55, 3740108), (74, 2779810), (110, 1870054), (148, 1389905), (185, 1111924), (220, 935027), (370, 555962), (407, 505420), (683, 301180), (740, 277981), (814, 252710), (1366, 150590), (1369, 150260), (1628, 126355), (2035, 101084), (2732, 75295), (2738, 75130), (3415, 60236), (4070, 50542), (5476, 37565), (6830, 30118), (6845, 30052), (7513, 27380), (8140, 25271), (13660, 15059), (13690, 15026)]