180889400

素因数分解:

$2^3\times 5^2\times {\mathrm{61}}^1\times {\mathrm{14827}}^1$

素因数の和:14904

約数の個数: 48

約数和(自身を含む): 427491240

約数和(自身を除く): 246601840

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 61, 100, 122, 200, 244, 305, 488, 610, 1220, 1525, 2440, 3050, 6100, 12200, 14827, 29654, 59308, 74135, 118616, 148270, 296540, 370675, 593080, 741350, 904447, 1482700, 1808894, 2965400, 3617788, 4522235, 7235576, 9044470, 18088940, 22611175, 36177880, 45222350, 90444700, 180889400]

約数ペア:

[(1, 180889400), (2, 90444700), (4, 45222350), (5, 36177880), (8, 22611175), (10, 18088940), (20, 9044470), (25, 7235576), (40, 4522235), (50, 3617788), (61, 2965400), (100, 1808894), (122, 1482700), (200, 904447), (244, 741350), (305, 593080), (488, 370675), (610, 296540), (1220, 148270), (1525, 118616), (2440, 74135), (3050, 59308), (6100, 29654), (12200, 14827)]