161212900

素因数分解:

$2^2\times 5^2\times {\mathrm{193}}^1\times {\mathrm{8353}}^1$

素因数の和:8560

約数の個数: 36

約数和(自身を含む): 351686692

約数和(自身を除く): 190473792

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 193, 386, 772, 965, 1930, 3860, 4825, 8353, 9650, 16706, 19300, 33412, 41765, 83530, 167060, 208825, 417650, 835300, 1612129, 3224258, 6448516, 8060645, 16121290, 32242580, 40303225, 80606450, 161212900]

約数ペア:

[(1, 161212900), (2, 80606450), (4, 40303225), (5, 32242580), (10, 16121290), (20, 8060645), (25, 6448516), (50, 3224258), (100, 1612129), (193, 835300), (386, 417650), (772, 208825), (965, 167060), (1930, 83530), (3860, 41765), (4825, 33412), (8353, 19300), (9650, 16706)]