218799280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{5503}}^1$

素因数の和:5594

約数の個数: 80

約数和(自身を含む): 589676544

約数和(自身を除く): 370877264

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 71, 80, 112, 140, 142, 280, 284, 355, 497, 560, 568, 710, 994, 1136, 1420, 1988, 2485, 2840, 3976, 4970, 5503, 5680, 7952, 9940, 11006, 19880, 22012, 27515, 38521, 39760, 44024, 55030, 77042, 88048, 110060, 154084, 192605, 220120, 308168, 385210, 390713, 440240, 616336, 770420, 781426, 1540840, 1562852, 1953565, 2734991, 3081680, 3125704, 3907130, 5469982, 6251408, 7814260, 10939964, 13674955, 15628520, 21879928, 27349910, 31257040, 43759856, 54699820, 109399640, 218799280]

約数ペア:

[(1, 218799280), (2, 109399640), (4, 54699820), (5, 43759856), (7, 31257040), (8, 27349910), (10, 21879928), (14, 15628520), (16, 13674955), (20, 10939964), (28, 7814260), (35, 6251408), (40, 5469982), (56, 3907130), (70, 3125704), (71, 3081680), (80, 2734991), (112, 1953565), (140, 1562852), (142, 1540840), (280, 781426), (284, 770420), (355, 616336), (497, 440240), (560, 390713), (568, 385210), (710, 308168), (994, 220120), (1136, 192605), (1420, 154084), (1988, 110060), (2485, 88048), (2840, 77042), (3976, 55030), (4970, 44024), (5503, 39760), (5680, 38521), (7952, 27515), (9940, 22012), (11006, 19880)]