390697760

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{128519}}^1$

素因数の和:128553

約数の個数: 48

約数和(自身を含む): 971611200

約数和(自身を除く): 580913440

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 80, 95, 152, 160, 190, 304, 380, 608, 760, 1520, 3040, 128519, 257038, 514076, 642595, 1028152, 1285190, 2056304, 2441861, 2570380, 4112608, 4883722, 5140760, 9767444, 10281520, 12209305, 19534888, 20563040, 24418610, 39069776, 48837220, 78139552, 97674440, 195348880, 390697760]

約数ペア:

[(1, 390697760), (2, 195348880), (4, 97674440), (5, 78139552), (8, 48837220), (10, 39069776), (16, 24418610), (19, 20563040), (20, 19534888), (32, 12209305), (38, 10281520), (40, 9767444), (76, 5140760), (80, 4883722), (95, 4112608), (152, 2570380), (160, 2441861), (190, 2056304), (304, 1285190), (380, 1028152), (608, 642595), (760, 514076), (1520, 257038), (3040, 128519)]