408048980

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{9967}}^1$

素因数の和:10088

約数の個数: 48

約数和(自身を含む): 904296960

約数和(自身を除く): 496247980

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 89, 92, 115, 178, 230, 356, 445, 460, 890, 1780, 2047, 4094, 8188, 9967, 10235, 19934, 20470, 39868, 40940, 49835, 99670, 199340, 229241, 458482, 887063, 916964, 1146205, 1774126, 2292410, 3548252, 4435315, 4584820, 8870630, 17741260, 20402449, 40804898, 81609796, 102012245, 204024490, 408048980]

約数ペア:

[(1, 408048980), (2, 204024490), (4, 102012245), (5, 81609796), (10, 40804898), (20, 20402449), (23, 17741260), (46, 8870630), (89, 4584820), (92, 4435315), (115, 3548252), (178, 2292410), (230, 1774126), (356, 1146205), (445, 916964), (460, 887063), (890, 458482), (1780, 229241), (2047, 199340), (4094, 99670), (8188, 49835), (9967, 40940), (10235, 39868), (19934, 20470)]