287873180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{108223}}^1$

素因数の和:108258

約数の個数: 48

約数和(自身を含む): 727265280

約数和(自身を除く): 439392100

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 380, 532, 665, 1330, 2660, 108223, 216446, 432892, 541115, 757561, 1082230, 1515122, 2056237, 2164460, 3030244, 3787805, 4112474, 7575610, 8224948, 10281185, 14393659, 15151220, 20562370, 28787318, 41124740, 57574636, 71968295, 143936590, 287873180]

約数ペア:

[(1, 287873180), (2, 143936590), (4, 71968295), (5, 57574636), (7, 41124740), (10, 28787318), (14, 20562370), (19, 15151220), (20, 14393659), (28, 10281185), (35, 8224948), (38, 7575610), (70, 4112474), (76, 3787805), (95, 3030244), (133, 2164460), (140, 2056237), (190, 1515122), (266, 1082230), (380, 757561), (532, 541115), (665, 432892), (1330, 216446), (2660, 108223)]