858245000

素因数分解:

$2^3\times 5^4\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{439}}^1$

素因数の和:505

約数の個数: 160

約数和(自身を含む): 2226787200

約数和(自身を除く): 1368542200

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 23, 25, 34, 40, 46, 50, 68, 85, 92, 100, 115, 125, 136, 170, 184, 200, 230, 250, 340, 391, 425, 439, 460, 500, 575, 625, 680, 782, 850, 878, 920, 1000, 1150, 1250, 1564, 1700, 1756, 1955, 2125, 2195, 2300, 2500, 2875, 3128, 3400, 3512, 3910, 4250, 4390, 4600, 5000, 5750, 7463, 7820, 8500, 8780, 9775, 10097, 10625, 10975, 11500, 14375, 14926, 15640, 17000, 17560, 19550, 20194, 21250, 21950, 23000, 28750, 29852, 37315, 39100, 40388, 42500, 43900, 48875, 50485, 54875, 57500, 59704, 74630, 78200, 80776, 85000, 87800, 97750, 100970, 109750, 115000, 149260, 171649, 186575, 195500, 201940, 219500, 244375, 252425, 274375, 298520, 343298, 373150, 391000, 403880, 439000, 488750, 504850, 548750, 686596, 746300, 858245, 932875, 977500, 1009700, 1097500, 1262125, 1373192, 1492600, 1716490, 1865750, 1955000, 2019400, 2195000, 2524250, 3432980, 3731500, 4291225, 4664375, 5048500, 6310625, 6865960, 7463000, 8582450, 9328750, 10097000, 12621250, 17164900, 18657500, 21456125, 25242500, 34329800, 37315000, 42912250, 50485000, 85824500, 107280625, 171649000, 214561250, 429122500, 858245000]

約数ペア:

[(1, 858245000), (2, 429122500), (4, 214561250), (5, 171649000), (8, 107280625), (10, 85824500), (17, 50485000), (20, 42912250), (23, 37315000), (25, 34329800), (34, 25242500), (40, 21456125), (46, 18657500), (50, 17164900), (68, 12621250), (85, 10097000), (92, 9328750), (100, 8582450), (115, 7463000), (125, 6865960), (136, 6310625), (170, 5048500), (184, 4664375), (200, 4291225), (230, 3731500), (250, 3432980), (340, 2524250), (391, 2195000), (425, 2019400), (439, 1955000), (460, 1865750), (500, 1716490), (575, 1492600), (625, 1373192), (680, 1262125), (782, 1097500), (850, 1009700), (878, 977500), (920, 932875), (1000, 858245), (1150, 746300), (1250, 686596), (1564, 548750), (1700, 504850), (1756, 488750), (1955, 439000), (2125, 403880), (2195, 391000), (2300, 373150), (2500, 343298), (2875, 298520), (3128, 274375), (3400, 252425), (3512, 244375), (3910, 219500), (4250, 201940), (4390, 195500), (4600, 186575), (5000, 171649), (5750, 149260), (7463, 115000), (7820, 109750), (8500, 100970), (8780, 97750), (9775, 87800), (10097, 85000), (10625, 80776), (10975, 78200), (11500, 74630), (14375, 59704), (14926, 57500), (15640, 54875), (17000, 50485), (17560, 48875), (19550, 43900), (20194, 42500), (21250, 40388), (21950, 39100), (23000, 37315), (28750, 29852)]