215590930

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{8353}}^1$

素因数の和:8478

約数の個数: 32

約数和(自身を含む): 406004400

約数和(自身を除く): 190413470

約数列:

[1, 2, 5, 10, 29, 58, 89, 145, 178, 290, 445, 890, 2581, 5162, 8353, 12905, 16706, 25810, 41765, 83530, 242237, 484474, 743417, 1211185, 1486834, 2422370, 3717085, 7434170, 21559093, 43118186, 107795465, 215590930]

約数ペア:

[(1, 215590930), (2, 107795465), (5, 43118186), (10, 21559093), (29, 7434170), (58, 3717085), (89, 2422370), (145, 1486834), (178, 1211185), (290, 743417), (445, 484474), (890, 242237), (2581, 83530), (5162, 41765), (8353, 25810), (12905, 16706)]