2104508728

素因数分解:

$2^3\times 7^1\times {\mathrm{71}}^1\times {\mathrm{179}}^1\times {\mathrm{2957}}^1$

素因数の和:3220

約数の個数: 64

約数和(自身を含む): 4600281600

約数和(自身を除く): 2495772872

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 71, 142, 179, 284, 358, 497, 568, 716, 994, 1253, 1432, 1988, 2506, 2957, 3976, 5012, 5914, 10024, 11828, 12709, 20699, 23656, 25418, 41398, 50836, 82796, 88963, 101672, 165592, 177926, 209947, 355852, 419894, 529303, 711704, 839788, 1058606, 1469629, 1679576, 2117212, 2939258, 3705121, 4234424, 5878516, 7410242, 11757032, 14820484, 29640968, 37580513, 75161026, 150322052, 263063591, 300644104, 526127182, 1052254364, 2104508728]

約数ペア:

[(1, 2104508728), (2, 1052254364), (4, 526127182), (7, 300644104), (8, 263063591), (14, 150322052), (28, 75161026), (56, 37580513), (71, 29640968), (142, 14820484), (179, 11757032), (284, 7410242), (358, 5878516), (497, 4234424), (568, 3705121), (716, 2939258), (994, 2117212), (1253, 1679576), (1432, 1469629), (1988, 1058606), (2506, 839788), (2957, 711704), (3976, 529303), (5012, 419894), (5914, 355852), (10024, 209947), (11828, 177926), (12709, 165592), (20699, 101672), (23656, 88963), (25418, 82796), (41398, 50836)]