7810185220

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1209007}}^1$

素因数の和:1209052

約数の個数: 48

約数和(自身を含む): 18280200960

約数和(自身を除く): 10470015740

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 34, 38, 68, 76, 85, 95, 170, 190, 323, 340, 380, 646, 1292, 1615, 3230, 6460, 1209007, 2418014, 4836028, 6045035, 12090070, 20553119, 22971133, 24180140, 41106238, 45942266, 82212476, 91884532, 102765595, 114855665, 205531190, 229711330, 390509261, 411062380, 459422660, 781018522, 1562037044, 1952546305, 3905092610, 7810185220]

約数ペア:

[(1, 7810185220), (2, 3905092610), (4, 1952546305), (5, 1562037044), (10, 781018522), (17, 459422660), (19, 411062380), (20, 390509261), (34, 229711330), (38, 205531190), (68, 114855665), (76, 102765595), (85, 91884532), (95, 82212476), (170, 45942266), (190, 41106238), (323, 24180140), (340, 22971133), (380, 20553119), (646, 12090070), (1292, 6045035), (1615, 4836028), (3230, 2418014), (6460, 1209007)]