245710780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{17377}}^1$

素因数の和:17494

約数の個数: 48

約数和(自身を含む): 595578816

約数和(自身を除く): 349868036

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 101, 140, 202, 404, 505, 707, 1010, 1414, 2020, 2828, 3535, 7070, 14140, 17377, 34754, 69508, 86885, 121639, 173770, 243278, 347540, 486556, 608195, 1216390, 1755077, 2432780, 3510154, 7020308, 8775385, 12285539, 17550770, 24571078, 35101540, 49142156, 61427695, 122855390, 245710780]

約数ペア:

[(1, 245710780), (2, 122855390), (4, 61427695), (5, 49142156), (7, 35101540), (10, 24571078), (14, 17550770), (20, 12285539), (28, 8775385), (35, 7020308), (70, 3510154), (101, 2432780), (140, 1755077), (202, 1216390), (404, 608195), (505, 486556), (707, 347540), (1010, 243278), (1414, 173770), (2020, 121639), (2828, 86885), (3535, 69508), (7070, 34754), (14140, 17377)]