406081880

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{3541}}^1$

素因数の和:3660

約数の個数: 64

約数和(自身を含む): 948689280

約数和(自身を除く): 542607400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 61, 94, 122, 188, 235, 244, 305, 376, 470, 488, 610, 940, 1220, 1880, 2440, 2867, 3541, 5734, 7082, 11468, 14164, 14335, 17705, 22936, 28328, 28670, 35410, 57340, 70820, 114680, 141640, 166427, 216001, 332854, 432002, 665708, 832135, 864004, 1080005, 1331416, 1664270, 1728008, 2160010, 3328540, 4320020, 6657080, 8640040, 10152047, 20304094, 40608188, 50760235, 81216376, 101520470, 203040940, 406081880]

約数ペア:

[(1, 406081880), (2, 203040940), (4, 101520470), (5, 81216376), (8, 50760235), (10, 40608188), (20, 20304094), (40, 10152047), (47, 8640040), (61, 6657080), (94, 4320020), (122, 3328540), (188, 2160010), (235, 1728008), (244, 1664270), (305, 1331416), (376, 1080005), (470, 864004), (488, 832135), (610, 665708), (940, 432002), (1220, 332854), (1880, 216001), (2440, 166427), (2867, 141640), (3541, 114680), (5734, 70820), (7082, 57340), (11468, 35410), (14164, 28670), (14335, 28328), (17705, 22936)]