1299500

素因数分解:

$2^2\times 5^3\times {\mathrm{23}}^1\times {\mathrm{113}}^1$

素因数の和:155

約数の個数: 48

約数和(自身を含む): 2987712

約数和(自身を除く): 1688212

約数列:

[1, 2, 4, 5, 10, 20, 23, 25, 46, 50, 92, 100, 113, 115, 125, 226, 230, 250, 452, 460, 500, 565, 575, 1130, 1150, 2260, 2300, 2599, 2825, 2875, 5198, 5650, 5750, 10396, 11300, 11500, 12995, 14125, 25990, 28250, 51980, 56500, 64975, 129950, 259900, 324875, 649750, 1299500]

約数ペア:

[(1, 1299500), (2, 649750), (4, 324875), (5, 259900), (10, 129950), (20, 64975), (23, 56500), (25, 51980), (46, 28250), (50, 25990), (92, 14125), (100, 12995), (113, 11500), (115, 11300), (125, 10396), (226, 5750), (230, 5650), (250, 5198), (452, 2875), (460, 2825), (500, 2599), (565, 2300), (575, 2260), (1130, 1150)]