204865220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{77017}}^1$

素因数の和:77052

約数の個数: 48

約数和(自身を含む): 517560960

約数和(自身を除く): 312695740

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 380, 532, 665, 1330, 2660, 77017, 154034, 308068, 385085, 539119, 770170, 1078238, 1463323, 1540340, 2156476, 2695595, 2926646, 5391190, 5853292, 7316615, 10243261, 10782380, 14633230, 20486522, 29266460, 40973044, 51216305, 102432610, 204865220]

約数ペア:

[(1, 204865220), (2, 102432610), (4, 51216305), (5, 40973044), (7, 29266460), (10, 20486522), (14, 14633230), (19, 10782380), (20, 10243261), (28, 7316615), (35, 5853292), (38, 5391190), (70, 2926646), (76, 2695595), (95, 2156476), (133, 1540340), (140, 1463323), (190, 1078238), (266, 770170), (380, 539119), (532, 385085), (665, 308068), (1330, 154034), (2660, 77017)]