206578120

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{105397}}^1$

素因数の和:105422

約数の個数: 48

約数和(自身を含む): 540691740

約数和(自身を除く): 334113620

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 105397, 210794, 421588, 526985, 737779, 843176, 1053970, 1475558, 2107940, 2951116, 3688895, 4215880, 5164453, 5902232, 7377790, 10328906, 14755580, 20657812, 25822265, 29511160, 41315624, 51644530, 103289060, 206578120]

約数ペア:

[(1, 206578120), (2, 103289060), (4, 51644530), (5, 41315624), (7, 29511160), (8, 25822265), (10, 20657812), (14, 14755580), (20, 10328906), (28, 7377790), (35, 5902232), (40, 5164453), (49, 4215880), (56, 3688895), (70, 2951116), (98, 2107940), (140, 1475558), (196, 1053970), (245, 843176), (280, 737779), (392, 526985), (490, 421588), (980, 210794), (1960, 105397)]