157428500

素因数分解:

$2^2\times 5^3\times {\mathrm{17}}^1\times {\mathrm{18521}}^1$

素因数の和:18557

約数の個数: 48

約数和(自身を含む): 364068432

約数和(自身を除く): 206639932

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 68, 85, 100, 125, 170, 250, 340, 425, 500, 850, 1700, 2125, 4250, 8500, 18521, 37042, 74084, 92605, 185210, 314857, 370420, 463025, 629714, 926050, 1259428, 1574285, 1852100, 2315125, 3148570, 4630250, 6297140, 7871425, 9260500, 15742850, 31485700, 39357125, 78714250, 157428500]

約数ペア:

[(1, 157428500), (2, 78714250), (4, 39357125), (5, 31485700), (10, 15742850), (17, 9260500), (20, 7871425), (25, 6297140), (34, 4630250), (50, 3148570), (68, 2315125), (85, 1852100), (100, 1574285), (125, 1259428), (170, 926050), (250, 629714), (340, 463025), (425, 370420), (500, 314857), (850, 185210), (1700, 92605), (2125, 74084), (4250, 37042), (8500, 18521)]