1291567180

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{199933}}^1$

素因数の和:199978

約数の個数: 48

約数和(自身を含む): 3023002080

約数和(自身を除く): 1731434900

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, 199933, 399866, 799732, 999665, 1999330, 3398861, 3798727, 3998660, 6797722, 7597454, 13595444, 15194908, 16994305, 18993635, 33988610, 37987270, 64578359, 67977220, 75974540, 129156718, 258313436, 322891795, 645783590, 1291567180]

約数ペア:

[(1, 1291567180), (2, 645783590), (4, 322891795), (5, 258313436), (10, 129156718), (17, 75974540), (19, 67977220), (20, 64578359), (34, 37987270), (38, 33988610), (68, 18993635), (76, 16994305), (85, 15194908), (95, 13595444), (170, 7597454), (190, 6797722), (323, 3998660), (340, 3798727), (380, 3398861), (646, 1999330), (1292, 999665), (1615, 799732), (3230, 399866), (6460, 199933)]