142537290

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{678749}}^1$

素因数の和:678766

約数の個数: 32

約数和(自身を含む): 390960000

約数和(自身を除く): 248422710

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 678749, 1357498, 2036247, 3393745, 4072494, 4751243, 6787490, 9502486, 10181235, 14253729, 20362470, 23756215, 28507458, 47512430, 71268645, 142537290]

約数ペア:

[(1, 142537290), (2, 71268645), (3, 47512430), (5, 28507458), (6, 23756215), (7, 20362470), (10, 14253729), (14, 10181235), (15, 9502486), (21, 6787490), (30, 4751243), (35, 4072494), (42, 3393745), (70, 2036247), (105, 1357498), (210, 678749)]