39768400

素因数分解:

$2^4\times 5^2\times 7^2\times {\mathrm{2029}}^1$

素因数の和:2061

約数の個数: 90

約数和(自身を含む): 111197310

約数和(自身を除く): 71428910

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 49, 50, 56, 70, 80, 98, 100, 112, 140, 175, 196, 200, 245, 280, 350, 392, 400, 490, 560, 700, 784, 980, 1225, 1400, 1960, 2029, 2450, 2800, 3920, 4058, 4900, 8116, 9800, 10145, 14203, 16232, 19600, 20290, 28406, 32464, 40580, 50725, 56812, 71015, 81160, 99421, 101450, 113624, 142030, 162320, 198842, 202900, 227248, 284060, 355075, 397684, 405800, 497105, 568120, 710150, 795368, 811600, 994210, 1136240, 1420300, 1590736, 1988420, 2485525, 2840600, 3976840, 4971050, 5681200, 7953680, 9942100, 19884200, 39768400]

約数ペア:

[(1, 39768400), (2, 19884200), (4, 9942100), (5, 7953680), (7, 5681200), (8, 4971050), (10, 3976840), (14, 2840600), (16, 2485525), (20, 1988420), (25, 1590736), (28, 1420300), (35, 1136240), (40, 994210), (49, 811600), (50, 795368), (56, 710150), (70, 568120), (80, 497105), (98, 405800), (100, 397684), (112, 355075), (140, 284060), (175, 227248), (196, 202900), (200, 198842), (245, 162320), (280, 142030), (350, 113624), (392, 101450), (400, 99421), (490, 81160), (560, 71015), (700, 56812), (784, 50725), (980, 40580), (1225, 32464), (1400, 28406), (1960, 20290), (2029, 19600), (2450, 16232), (2800, 14203), (3920, 10145), (4058, 9800), (4900, 8116)]