409468360

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{479}}^1$

素因数の和:611

約数の個数: 128

約数和(自身を含む): 1094860800

約数和(自身を除く): 685392440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 43, 56, 70, 71, 86, 140, 142, 172, 215, 280, 284, 301, 344, 355, 430, 479, 497, 568, 602, 710, 860, 958, 994, 1204, 1420, 1505, 1720, 1916, 1988, 2395, 2408, 2485, 2840, 3010, 3053, 3353, 3832, 3976, 4790, 4970, 6020, 6106, 6706, 9580, 9940, 12040, 12212, 13412, 15265, 16765, 19160, 19880, 20597, 21371, 24424, 26824, 30530, 33530, 34009, 41194, 42742, 61060, 67060, 68018, 82388, 85484, 102985, 106855, 122120, 134120, 136036, 144179, 164776, 170045, 170968, 205970, 213710, 238063, 272072, 288358, 340090, 411940, 427420, 476126, 576716, 680180, 720895, 823880, 854840, 952252, 1153432, 1190315, 1360360, 1441790, 1462387, 1904504, 2380630, 2883580, 2924774, 4761260, 5767160, 5849548, 7311935, 9522520, 10236709, 11699096, 14623870, 20473418, 29247740, 40946836, 51183545, 58495480, 81893672, 102367090, 204734180, 409468360]

約数ペア:

[(1, 409468360), (2, 204734180), (4, 102367090), (5, 81893672), (7, 58495480), (8, 51183545), (10, 40946836), (14, 29247740), (20, 20473418), (28, 14623870), (35, 11699096), (40, 10236709), (43, 9522520), (56, 7311935), (70, 5849548), (71, 5767160), (86, 4761260), (140, 2924774), (142, 2883580), (172, 2380630), (215, 1904504), (280, 1462387), (284, 1441790), (301, 1360360), (344, 1190315), (355, 1153432), (430, 952252), (479, 854840), (497, 823880), (568, 720895), (602, 680180), (710, 576716), (860, 476126), (958, 427420), (994, 411940), (1204, 340090), (1420, 288358), (1505, 272072), (1720, 238063), (1916, 213710), (1988, 205970), (2395, 170968), (2408, 170045), (2485, 164776), (2840, 144179), (3010, 136036), (3053, 134120), (3353, 122120), (3832, 106855), (3976, 102985), (4790, 85484), (4970, 82388), (6020, 68018), (6106, 67060), (6706, 61060), (9580, 42742), (9940, 41194), (12040, 34009), (12212, 33530), (13412, 30530), (15265, 26824), (16765, 24424), (19160, 21371), (19880, 20597)]