197374380

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{469939}}^1$

素因数の和:469958

約数の個数: 48

約数和(自身を含む): 631599360

約数和(自身を除く): 434224980

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 469939, 939878, 1409817, 1879756, 2349695, 2819634, 3289573, 4699390, 5639268, 6579146, 7049085, 9398780, 9868719, 13158292, 14098170, 16447865, 19737438, 28196340, 32895730, 39474876, 49343595, 65791460, 98687190, 197374380]

約数ペア:

[(1, 197374380), (2, 98687190), (3, 65791460), (4, 49343595), (5, 39474876), (6, 32895730), (7, 28196340), (10, 19737438), (12, 16447865), (14, 14098170), (15, 13158292), (20, 9868719), (21, 9398780), (28, 7049085), (30, 6579146), (35, 5639268), (42, 4699390), (60, 3289573), (70, 2819634), (84, 2349695), (105, 1879756), (140, 1409817), (210, 939878), (420, 469939)]