998156720

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{251}}^1\times {\mathrm{4519}}^1$

素因数の和:4794

約数の個数: 80

約数和(自身を含む): 2542337280

約数和(自身を除く): 1544180560

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 251, 440, 502, 880, 1004, 1255, 2008, 2510, 2761, 4016, 4519, 5020, 5522, 9038, 10040, 11044, 13805, 18076, 20080, 22088, 22595, 27610, 36152, 44176, 45190, 49709, 55220, 72304, 90380, 99418, 110440, 180760, 198836, 220880, 248545, 361520, 397672, 497090, 795344, 994180, 1134269, 1988360, 2268538, 3976720, 4537076, 5671345, 9074152, 11342690, 12476959, 18148304, 22685380, 24953918, 45370760, 49907836, 62384795, 90741520, 99815672, 124769590, 199631344, 249539180, 499078360, 998156720]

約数ペア:

[(1, 998156720), (2, 499078360), (4, 249539180), (5, 199631344), (8, 124769590), (10, 99815672), (11, 90741520), (16, 62384795), (20, 49907836), (22, 45370760), (40, 24953918), (44, 22685380), (55, 18148304), (80, 12476959), (88, 11342690), (110, 9074152), (176, 5671345), (220, 4537076), (251, 3976720), (440, 2268538), (502, 1988360), (880, 1134269), (1004, 994180), (1255, 795344), (2008, 497090), (2510, 397672), (2761, 361520), (4016, 248545), (4519, 220880), (5020, 198836), (5522, 180760), (9038, 110440), (10040, 99418), (11044, 90380), (13805, 72304), (18076, 55220), (20080, 49709), (22088, 45190), (22595, 44176), (27610, 36152)]