90420500

素因数分解:

$2^2\times 5^3\times {\mathrm{193}}^1\times {\mathrm{937}}^1$

素因数の和:1149

約数の個数: 48

約数和(自身を含む): 198713424

約数和(自身を除く): 108292924

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 193, 250, 386, 500, 772, 937, 965, 1874, 1930, 3748, 3860, 4685, 4825, 9370, 9650, 18740, 19300, 23425, 24125, 46850, 48250, 93700, 96500, 117125, 180841, 234250, 361682, 468500, 723364, 904205, 1808410, 3616820, 4521025, 9042050, 18084100, 22605125, 45210250, 90420500]

約数ペア:

[(1, 90420500), (2, 45210250), (4, 22605125), (5, 18084100), (10, 9042050), (20, 4521025), (25, 3616820), (50, 1808410), (100, 904205), (125, 723364), (193, 468500), (250, 361682), (386, 234250), (500, 180841), (772, 117125), (937, 96500), (965, 93700), (1874, 48250), (1930, 46850), (3748, 24125), (3860, 23425), (4685, 19300), (4825, 18740), (9370, 9650)]