390710180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{28771}}^1$

素因数の和:28884

約数の個数: 48

約数和(自身を含む): 947404416

約数和(自身を除く): 556694236

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 97, 140, 194, 388, 485, 679, 970, 1358, 1940, 2716, 3395, 6790, 13580, 28771, 57542, 115084, 143855, 201397, 287710, 402794, 575420, 805588, 1006985, 2013970, 2790787, 4027940, 5581574, 11163148, 13953935, 19535509, 27907870, 39071018, 55815740, 78142036, 97677545, 195355090, 390710180]

約数ペア:

[(1, 390710180), (2, 195355090), (4, 97677545), (5, 78142036), (7, 55815740), (10, 39071018), (14, 27907870), (20, 19535509), (28, 13953935), (35, 11163148), (70, 5581574), (97, 4027940), (140, 2790787), (194, 2013970), (388, 1006985), (485, 805588), (679, 575420), (970, 402794), (1358, 287710), (1940, 201397), (2716, 143855), (3395, 115084), (6790, 57542), (13580, 28771)]