389390000

素因数分解:

$2^4\times 5^4\times {\mathrm{23}}^1\times {\mathrm{1693}}^1$

素因数の和:1744

約数の個数: 100

約数和(自身を含む): 984322416

約数和(自身を除く): 594932416

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 25, 40, 46, 50, 80, 92, 100, 115, 125, 184, 200, 230, 250, 368, 400, 460, 500, 575, 625, 920, 1000, 1150, 1250, 1693, 1840, 2000, 2300, 2500, 2875, 3386, 4600, 5000, 5750, 6772, 8465, 9200, 10000, 11500, 13544, 14375, 16930, 23000, 27088, 28750, 33860, 38939, 42325, 46000, 57500, 67720, 77878, 84650, 115000, 135440, 155756, 169300, 194695, 211625, 230000, 311512, 338600, 389390, 423250, 623024, 677200, 778780, 846500, 973475, 1058125, 1557560, 1693000, 1946950, 2116250, 3115120, 3386000, 3893900, 4232500, 4867375, 7787800, 8465000, 9734750, 15575600, 16930000, 19469500, 24336875, 38939000, 48673750, 77878000, 97347500, 194695000, 389390000]

約数ペア:

[(1, 389390000), (2, 194695000), (4, 97347500), (5, 77878000), (8, 48673750), (10, 38939000), (16, 24336875), (20, 19469500), (23, 16930000), (25, 15575600), (40, 9734750), (46, 8465000), (50, 7787800), (80, 4867375), (92, 4232500), (100, 3893900), (115, 3386000), (125, 3115120), (184, 2116250), (200, 1946950), (230, 1693000), (250, 1557560), (368, 1058125), (400, 973475), (460, 846500), (500, 778780), (575, 677200), (625, 623024), (920, 423250), (1000, 389390), (1150, 338600), (1250, 311512), (1693, 230000), (1840, 211625), (2000, 194695), (2300, 169300), (2500, 155756), (2875, 135440), (3386, 115000), (4600, 84650), (5000, 77878), (5750, 67720), (6772, 57500), (8465, 46000), (9200, 42325), (10000, 38939), (11500, 33860), (13544, 28750), (14375, 27088), (16930, 23000)]