420140070

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{666889}}^1$

素因数の和:666909

約数の個数: 48

約数和(自身を含む): 1248418080

約数和(自身を除く): 828278010

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 210, 315, 630, 666889, 1333778, 2000667, 3334445, 4001334, 4668223, 6002001, 6668890, 9336446, 10003335, 12004002, 14004669, 20006670, 23341115, 28009338, 30010005, 42014007, 46682230, 60020010, 70023345, 84028014, 140046690, 210070035, 420140070]

約数ペア:

[(1, 420140070), (2, 210070035), (3, 140046690), (5, 84028014), (6, 70023345), (7, 60020010), (9, 46682230), (10, 42014007), (14, 30010005), (15, 28009338), (18, 23341115), (21, 20006670), (30, 14004669), (35, 12004002), (42, 10003335), (45, 9336446), (63, 6668890), (70, 6002001), (90, 4668223), (105, 4001334), (126, 3334445), (210, 2000667), (315, 1333778), (630, 666889)]