900070660

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{419}}^1\times {\mathrm{5653}}^1$

素因数の和:6100

約数の個数: 48

約数和(自身を含む): 1994731200

約数和(自身を除く): 1094660540

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 419, 838, 1676, 2095, 4190, 5653, 7961, 8380, 11306, 15922, 22612, 28265, 31844, 39805, 56530, 79610, 107407, 113060, 159220, 214814, 429628, 537035, 1074070, 2148140, 2368607, 4737214, 9474428, 11843035, 23686070, 45003533, 47372140, 90007066, 180014132, 225017665, 450035330, 900070660]

約数ペア:

[(1, 900070660), (2, 450035330), (4, 225017665), (5, 180014132), (10, 90007066), (19, 47372140), (20, 45003533), (38, 23686070), (76, 11843035), (95, 9474428), (190, 4737214), (380, 2368607), (419, 2148140), (838, 1074070), (1676, 537035), (2095, 429628), (4190, 214814), (5653, 159220), (7961, 113060), (8380, 107407), (11306, 79610), (15922, 56530), (22612, 39805), (28265, 31844)]