223647920

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{164447}}^1$

素因数の和:164477

約数の個数: 40

約数和(自身を含む): 550571904

約数和(自身を除く): 326923984

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 164447, 328894, 657788, 822235, 1315576, 1644470, 2631152, 2795599, 3288940, 5591198, 6577880, 11182396, 13155760, 13977995, 22364792, 27955990, 44729584, 55911980, 111823960, 223647920]

約数ペア:

[(1, 223647920), (2, 111823960), (4, 55911980), (5, 44729584), (8, 27955990), (10, 22364792), (16, 13977995), (17, 13155760), (20, 11182396), (34, 6577880), (40, 5591198), (68, 3288940), (80, 2795599), (85, 2631152), (136, 1644470), (170, 1315576), (272, 822235), (340, 657788), (680, 328894), (1360, 164447)]