280481488

素因数分解:

$2^4\times 7^2\times {\mathrm{347}}^1\times {\mathrm{1031}}^1$

素因数の和:1400

約数の個数: 60

約数和(自身を含む): 634593312

約数和(自身を除く): 354111824

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 196, 347, 392, 694, 784, 1031, 1388, 2062, 2429, 2776, 4124, 4858, 5552, 7217, 8248, 9716, 14434, 16496, 17003, 19432, 28868, 34006, 38864, 50519, 57736, 68012, 101038, 115472, 136024, 202076, 272048, 357757, 404152, 715514, 808304, 1431028, 2504299, 2862056, 5008598, 5724112, 10017196, 17530093, 20034392, 35060186, 40068784, 70120372, 140240744, 280481488]

約数ペア:

[(1, 280481488), (2, 140240744), (4, 70120372), (7, 40068784), (8, 35060186), (14, 20034392), (16, 17530093), (28, 10017196), (49, 5724112), (56, 5008598), (98, 2862056), (112, 2504299), (196, 1431028), (347, 808304), (392, 715514), (694, 404152), (784, 357757), (1031, 272048), (1388, 202076), (2062, 136024), (2429, 115472), (2776, 101038), (4124, 68012), (4858, 57736), (5552, 50519), (7217, 38864), (8248, 34006), (9716, 28868), (14434, 19432), (16496, 17003)]