201821820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{199}}^1\times {\mathrm{16903}}^1$

素因数の和:17114

約数の個数: 48

約数和(自身を含む): 567974400

約数和(自身を除く): 366152580

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 199, 398, 597, 796, 995, 1194, 1990, 2388, 2985, 3980, 5970, 11940, 16903, 33806, 50709, 67612, 84515, 101418, 169030, 202836, 253545, 338060, 507090, 1014180, 3363697, 6727394, 10091091, 13454788, 16818485, 20182182, 33636970, 40364364, 50455455, 67273940, 100910910, 201821820]

約数ペア:

[(1, 201821820), (2, 100910910), (3, 67273940), (4, 50455455), (5, 40364364), (6, 33636970), (10, 20182182), (12, 16818485), (15, 13454788), (20, 10091091), (30, 6727394), (60, 3363697), (199, 1014180), (398, 507090), (597, 338060), (796, 253545), (995, 202836), (1194, 169030), (1990, 101418), (2388, 84515), (2985, 67612), (3980, 50709), (5970, 33806), (11940, 16903)]