408020322

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{139}}^1\times {\mathrm{239}}^1$

素因数の和:495

約数の個数: 64

約数和(自身を含む): 870912000

約数和(自身を除く): 462891678

約数列:

[1, 2, 3, 6, 23, 46, 69, 89, 138, 139, 178, 239, 267, 278, 417, 478, 534, 717, 834, 1434, 2047, 3197, 4094, 5497, 6141, 6394, 9591, 10994, 12282, 12371, 16491, 19182, 21271, 24742, 32982, 33221, 37113, 42542, 63813, 66442, 74226, 99663, 127626, 199326, 284533, 489233, 569066, 764083, 853599, 978466, 1467699, 1528166, 1707198, 2292249, 2935398, 2956669, 4584498, 5913338, 8870007, 17740014, 68003387, 136006774, 204010161, 408020322]

約数ペア:

[(1, 408020322), (2, 204010161), (3, 136006774), (6, 68003387), (23, 17740014), (46, 8870007), (69, 5913338), (89, 4584498), (138, 2956669), (139, 2935398), (178, 2292249), (239, 1707198), (267, 1528166), (278, 1467699), (417, 978466), (478, 853599), (534, 764083), (717, 569066), (834, 489233), (1434, 284533), (2047, 199326), (3197, 127626), (4094, 99663), (5497, 74226), (6141, 66442), (6394, 63813), (9591, 42542), (10994, 37113), (12282, 33221), (12371, 32982), (16491, 24742), (19182, 21271)]