207005000

素因数分解:

$2^3\times 5^4\times {\mathrm{19}}^1\times {\mathrm{2179}}^1$

素因数の和:2224

約数の個数: 80

約数和(自身を含む): 510774000

約数和(自身を除く): 303769000

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 25, 38, 40, 50, 76, 95, 100, 125, 152, 190, 200, 250, 380, 475, 500, 625, 760, 950, 1000, 1250, 1900, 2179, 2375, 2500, 3800, 4358, 4750, 5000, 8716, 9500, 10895, 11875, 17432, 19000, 21790, 23750, 41401, 43580, 47500, 54475, 82802, 87160, 95000, 108950, 165604, 207005, 217900, 272375, 331208, 414010, 435800, 544750, 828020, 1035025, 1089500, 1361875, 1656040, 2070050, 2179000, 2723750, 4140100, 5175125, 5447500, 8280200, 10350250, 10895000, 20700500, 25875625, 41401000, 51751250, 103502500, 207005000]

約数ペア:

[(1, 207005000), (2, 103502500), (4, 51751250), (5, 41401000), (8, 25875625), (10, 20700500), (19, 10895000), (20, 10350250), (25, 8280200), (38, 5447500), (40, 5175125), (50, 4140100), (76, 2723750), (95, 2179000), (100, 2070050), (125, 1656040), (152, 1361875), (190, 1089500), (200, 1035025), (250, 828020), (380, 544750), (475, 435800), (500, 414010), (625, 331208), (760, 272375), (950, 217900), (1000, 207005), (1250, 165604), (1900, 108950), (2179, 95000), (2375, 87160), (2500, 82802), (3800, 54475), (4358, 47500), (4750, 43580), (5000, 41401), (8716, 23750), (9500, 21790), (10895, 19000), (11875, 17432)]