454920004

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^2\times {\mathrm{293}}^1$

素因数の和:457

約数の個数: 72

約数和(自身を含む): 1010165184

約数和(自身を除く): 555245180

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 71, 77, 142, 154, 284, 293, 308, 497, 586, 781, 994, 1172, 1562, 1988, 2051, 3124, 3223, 4102, 5041, 5467, 6446, 8204, 10082, 10934, 12892, 20164, 20803, 21868, 22561, 35287, 41606, 45122, 55451, 70574, 83212, 90244, 110902, 141148, 145621, 221804, 228833, 291242, 388157, 457666, 582484, 776314, 915332, 1477013, 1552628, 1601831, 2954026, 3203662, 5908052, 6407324, 10339091, 16247143, 20678182, 32494286, 41356364, 64988572, 113730001, 227460002, 454920004]

約数ペア:

[(1, 454920004), (2, 227460002), (4, 113730001), (7, 64988572), (11, 41356364), (14, 32494286), (22, 20678182), (28, 16247143), (44, 10339091), (71, 6407324), (77, 5908052), (142, 3203662), (154, 2954026), (284, 1601831), (293, 1552628), (308, 1477013), (497, 915332), (586, 776314), (781, 582484), (994, 457666), (1172, 388157), (1562, 291242), (1988, 228833), (2051, 221804), (3124, 145621), (3223, 141148), (4102, 110902), (5041, 90244), (5467, 83212), (6446, 70574), (8204, 55451), (10082, 45122), (10934, 41606), (12892, 35287), (20164, 22561), (20803, 21868)]