49495000

素因数分解:

$2^3\times 5^4\times {\mathrm{19}}^1\times {\mathrm{521}}^1$

素因数の和:566

約数の個数: 80

約数和(自身を含む): 122304600

約数和(自身を除く): 72809600

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, 521, 625, 760, 950, 1000, 1042, 1250, 1900, 2084, 2375, 2500, 2605, 3800, 4168, 4750, 5000, 5210, 9500, 9899, 10420, 11875, 13025, 19000, 19798, 20840, 23750, 26050, 39596, 47500, 49495, 52100, 65125, 79192, 95000, 98990, 104200, 130250, 197980, 247475, 260500, 325625, 395960, 494950, 521000, 651250, 989900, 1237375, 1302500, 1979800, 2474750, 2605000, 4949500, 6186875, 9899000, 12373750, 24747500, 49495000]

約数ペア:

[(1, 49495000), (2, 24747500), (4, 12373750), (5, 9899000), (8, 6186875), (10, 4949500), (19, 2605000), (20, 2474750), (25, 1979800), (38, 1302500), (40, 1237375), (50, 989900), (76, 651250), (95, 521000), (100, 494950), (125, 395960), (152, 325625), (190, 260500), (200, 247475), (250, 197980), (380, 130250), (475, 104200), (500, 98990), (521, 95000), (625, 79192), (760, 65125), (950, 52100), (1000, 49495), (1042, 47500), (1250, 39596), (1900, 26050), (2084, 23750), (2375, 20840), (2500, 19798), (2605, 19000), (3800, 13025), (4168, 11875), (4750, 10420), (5000, 9899), (5210, 9500)]