2805425

素因数分解:

$5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1$

素因数の和:98

約数の個数: 48

約数和(自身を含む): 4499712

約数和(自身を除く): 1694287

約数列:

[1, 5, 7, 17, 23, 25, 35, 41, 85, 115, 119, 161, 175, 205, 287, 391, 425, 575, 595, 697, 805, 943, 1025, 1435, 1955, 2737, 2975, 3485, 4025, 4715, 4879, 6601, 7175, 9775, 13685, 16031, 17425, 23575, 24395, 33005, 68425, 80155, 112217, 121975, 165025, 400775, 561085, 2805425]

約数ペア:

[(1, 2805425), (5, 561085), (7, 400775), (17, 165025), (23, 121975), (25, 112217), (35, 80155), (41, 68425), (85, 33005), (115, 24395), (119, 23575), (161, 17425), (175, 16031), (205, 13685), (287, 9775), (391, 7175), (425, 6601), (575, 4879), (595, 4715), (697, 4025), (805, 3485), (943, 2975), (1025, 2737), (1435, 1955)]