142458540

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{339187}}^1$

素因数の和:339206

約数の個数: 48

約数和(自身を含む): 455868672

約数和(自身を除く): 313410132

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, 339187, 678374, 1017561, 1356748, 1695935, 2035122, 2374309, 3391870, 4070244, 4748618, 5087805, 6783740, 7122927, 9497236, 10175610, 11871545, 14245854, 20351220, 23743090, 28491708, 35614635, 47486180, 71229270, 142458540]

約数ペア:

[(1, 142458540), (2, 71229270), (3, 47486180), (4, 35614635), (5, 28491708), (6, 23743090), (7, 20351220), (10, 14245854), (12, 11871545), (14, 10175610), (15, 9497236), (20, 7122927), (21, 6783740), (28, 5087805), (30, 4748618), (35, 4070244), (42, 3391870), (60, 2374309), (70, 2035122), (84, 1695935), (105, 1356748), (140, 1017561), (210, 678374), (420, 339187)]