495845240

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{349}}^1\times {\mathrm{3229}}^1$

素因数の和:3600

約数の個数: 64

約数和(自身を含む): 1220940000

約数和(自身を除く): 725094760

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 349, 440, 698, 1396, 1745, 2792, 3229, 3490, 3839, 6458, 6980, 7678, 12916, 13960, 15356, 16145, 19195, 25832, 30712, 32290, 35519, 38390, 64580, 71038, 76780, 129160, 142076, 153560, 177595, 284152, 355190, 710380, 1126921, 1420760, 2253842, 4507684, 5634605, 9015368, 11269210, 12396131, 22538420, 24792262, 45076840, 49584524, 61980655, 99169048, 123961310, 247922620, 495845240]

約数ペア:

[(1, 495845240), (2, 247922620), (4, 123961310), (5, 99169048), (8, 61980655), (10, 49584524), (11, 45076840), (20, 24792262), (22, 22538420), (40, 12396131), (44, 11269210), (55, 9015368), (88, 5634605), (110, 4507684), (220, 2253842), (349, 1420760), (440, 1126921), (698, 710380), (1396, 355190), (1745, 284152), (2792, 177595), (3229, 153560), (3490, 142076), (3839, 129160), (6458, 76780), (6980, 71038), (7678, 64580), (12916, 38390), (13960, 35519), (15356, 32290), (16145, 30712), (19195, 25832)]