489754824

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{491}}^1$

素因数の和:675

約数の個数: 128

約数和(自身を含む): 1388620800

約数和(自身を除く): 898865976

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 23, 24, 26, 39, 46, 52, 69, 78, 92, 104, 138, 139, 156, 184, 276, 278, 299, 312, 417, 491, 552, 556, 598, 834, 897, 982, 1112, 1196, 1473, 1668, 1794, 1807, 1964, 2392, 2946, 3197, 3336, 3588, 3614, 3928, 5421, 5892, 6383, 6394, 7176, 7228, 9591, 10842, 11293, 11784, 12766, 12788, 14456, 19149, 19182, 21684, 22586, 25532, 25576, 33879, 38298, 38364, 41561, 43368, 45172, 51064, 67758, 68249, 76596, 76728, 83122, 90344, 124683, 135516, 136498, 146809, 153192, 166244, 204747, 249366, 271032, 272996, 293618, 332488, 409494, 440427, 498732, 545992, 587236, 818988, 880854, 887237, 997464, 1174472, 1569727, 1637976, 1761708, 1774474, 2661711, 3139454, 3523416, 3548948, 4709181, 5323422, 6278908, 7097896, 9418362, 10646844, 12557816, 18836724, 20406451, 21293688, 37673448, 40812902, 61219353, 81625804, 122438706, 163251608, 244877412, 489754824]

約数ペア:

[(1, 489754824), (2, 244877412), (3, 163251608), (4, 122438706), (6, 81625804), (8, 61219353), (12, 40812902), (13, 37673448), (23, 21293688), (24, 20406451), (26, 18836724), (39, 12557816), (46, 10646844), (52, 9418362), (69, 7097896), (78, 6278908), (92, 5323422), (104, 4709181), (138, 3548948), (139, 3523416), (156, 3139454), (184, 2661711), (276, 1774474), (278, 1761708), (299, 1637976), (312, 1569727), (417, 1174472), (491, 997464), (552, 887237), (556, 880854), (598, 818988), (834, 587236), (897, 545992), (982, 498732), (1112, 440427), (1196, 409494), (1473, 332488), (1668, 293618), (1794, 272996), (1807, 271032), (1964, 249366), (2392, 204747), (2946, 166244), (3197, 153192), (3336, 146809), (3588, 136498), (3614, 135516), (3928, 124683), (5421, 90344), (5892, 83122), (6383, 76728), (6394, 76596), (7176, 68249), (7228, 67758), (9591, 51064), (10842, 45172), (11293, 43368), (11784, 41561), (12766, 38364), (12788, 38298), (14456, 33879), (19149, 25576), (19182, 25532), (21684, 22586)]