203438890

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{443}}^1\times {\mathrm{2417}}^1$

素因数の和:2886

約数の個数: 32

約数和(自身を含む): 386493120

約数和(自身を除く): 183054230

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 443, 886, 2215, 2417, 4430, 4834, 8417, 12085, 16834, 24170, 42085, 45923, 84170, 91846, 229615, 459230, 1070731, 2141462, 5353655, 10707310, 20343889, 40687778, 101719445, 203438890]

約数ペア:

[(1, 203438890), (2, 101719445), (5, 40687778), (10, 20343889), (19, 10707310), (38, 5353655), (95, 2141462), (190, 1070731), (443, 459230), (886, 229615), (2215, 91846), (2417, 84170), (4430, 45923), (4834, 42085), (8417, 24170), (12085, 16834)]