1289504200

素因数分解:

$2^3\times 5^2\times {\mathrm{23}}^1\times {\mathrm{280327}}^1$

素因数の和:280366

約数の個数: 48

約数和(自身を含む): 3128460480

約数和(自身を除く): 1838956280

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 25, 40, 46, 50, 92, 100, 115, 184, 200, 230, 460, 575, 920, 1150, 2300, 4600, 280327, 560654, 1121308, 1401635, 2242616, 2803270, 5606540, 6447521, 7008175, 11213080, 12895042, 14016350, 25790084, 28032700, 32237605, 51580168, 56065400, 64475210, 128950420, 161188025, 257900840, 322376050, 644752100, 1289504200]

約数ペア:

[(1, 1289504200), (2, 644752100), (4, 322376050), (5, 257900840), (8, 161188025), (10, 128950420), (20, 64475210), (23, 56065400), (25, 51580168), (40, 32237605), (46, 28032700), (50, 25790084), (92, 14016350), (100, 12895042), (115, 11213080), (184, 7008175), (200, 6447521), (230, 5606540), (460, 2803270), (575, 2242616), (920, 1401635), (1150, 1121308), (2300, 560654), (4600, 280327)]