1330665980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{659}}^1\times {\mathrm{14423}}^1$

素因数の和:15098

約数の個数: 48

約数和(自身を含む): 3198666240

約数和(自身を除く): 1868000260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 659, 1318, 2636, 3295, 4613, 6590, 9226, 13180, 14423, 18452, 23065, 28846, 46130, 57692, 72115, 92260, 100961, 144230, 201922, 288460, 403844, 504805, 1009610, 2019220, 9504757, 19009514, 38019028, 47523785, 66533299, 95047570, 133066598, 190095140, 266133196, 332666495, 665332990, 1330665980]

約数ペア:

[(1, 1330665980), (2, 665332990), (4, 332666495), (5, 266133196), (7, 190095140), (10, 133066598), (14, 95047570), (20, 66533299), (28, 47523785), (35, 38019028), (70, 19009514), (140, 9504757), (659, 2019220), (1318, 1009610), (2636, 504805), (3295, 403844), (4613, 288460), (6590, 201922), (9226, 144230), (13180, 100961), (14423, 92260), (18452, 72115), (23065, 57692), (28846, 46130)]