381570666920

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{11675969}}^1$

素因数の和:11676042

約数の個数: 64

約数和(自身を含む): 924736824000

約数和(自身を除く): 543166157080

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 43, 76, 86, 95, 152, 172, 190, 215, 344, 380, 430, 760, 817, 860, 1634, 1720, 3268, 4085, 6536, 8170, 16340, 32680, 11675969, 23351938, 46703876, 58379845, 93407752, 116759690, 221843411, 233519380, 443686822, 467038760, 502066667, 887373644, 1004133334, 1109217055, 1774747288, 2008266668, 2218434110, 2510333335, 4016533336, 4436868220, 5020666670, 8873736440, 9539266673, 10041333340, 19078533346, 20082666680, 38157066692, 47696333365, 76314133384, 95392666730, 190785333460, 381570666920]

約数ペア:

[(1, 381570666920), (2, 190785333460), (4, 95392666730), (5, 76314133384), (8, 47696333365), (10, 38157066692), (19, 20082666680), (20, 19078533346), (38, 10041333340), (40, 9539266673), (43, 8873736440), (76, 5020666670), (86, 4436868220), (95, 4016533336), (152, 2510333335), (172, 2218434110), (190, 2008266668), (215, 1774747288), (344, 1109217055), (380, 1004133334), (430, 887373644), (760, 502066667), (817, 467038760), (860, 443686822), (1634, 233519380), (1720, 221843411), (3268, 116759690), (4085, 93407752), (6536, 58379845), (8170, 46703876), (16340, 23351938), (32680, 11675969)]