4949500

素因数分解:

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

素因数の和:559

約数の個数: 48

約数和(自身を含む): 11400480

約数和(自身を除く): 6450980

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 125, 190, 250, 380, 475, 500, 521, 950, 1042, 1900, 2084, 2375, 2605, 4750, 5210, 9500, 9899, 10420, 13025, 19798, 26050, 39596, 49495, 52100, 65125, 98990, 130250, 197980, 247475, 260500, 494950, 989900, 1237375, 2474750, 4949500]

約数ペア:

[(1, 4949500), (2, 2474750), (4, 1237375), (5, 989900), (10, 494950), (19, 260500), (20, 247475), (25, 197980), (38, 130250), (50, 98990), (76, 65125), (95, 52100), (100, 49495), (125, 39596), (190, 26050), (250, 19798), (380, 13025), (475, 10420), (500, 9899), (521, 9500), (950, 5210), (1042, 4750), (1900, 2605), (2084, 2375)]