221890970

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{199}}^1\times {\mathrm{937}}^1$

素因数の和:1167

約数の個数: 64

約数和(自身を含む): 486259200

約数和(自身を除く): 264368230

約数列:

[1, 2, 5, 7, 10, 14, 17, 34, 35, 70, 85, 119, 170, 199, 238, 398, 595, 937, 995, 1190, 1393, 1874, 1990, 2786, 3383, 4685, 6559, 6766, 6965, 9370, 13118, 13930, 15929, 16915, 23681, 31858, 32795, 33830, 47362, 65590, 79645, 111503, 118405, 159290, 186463, 223006, 236810, 372926, 557515, 932315, 1115030, 1305241, 1864630, 2610482, 3169871, 6339742, 6526205, 13052410, 15849355, 22189097, 31698710, 44378194, 110945485, 221890970]

約数ペア:

[(1, 221890970), (2, 110945485), (5, 44378194), (7, 31698710), (10, 22189097), (14, 15849355), (17, 13052410), (34, 6526205), (35, 6339742), (70, 3169871), (85, 2610482), (119, 1864630), (170, 1305241), (199, 1115030), (238, 932315), (398, 557515), (595, 372926), (937, 236810), (995, 223006), (1190, 186463), (1393, 159290), (1874, 118405), (1990, 111503), (2786, 79645), (3383, 65590), (4685, 47362), (6559, 33830), (6766, 32795), (6965, 31858), (9370, 23681), (13118, 16915), (13930, 15929)]