204874910

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{401}}^1\times {\mathrm{2689}}^1$

素因数の和:3116

約数の個数: 32

約数和(自身を含む): 389296800

約数和(自身を除く): 184421890

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 401, 802, 2005, 2689, 4010, 5378, 7619, 13445, 15238, 26890, 38095, 51091, 76190, 102182, 255455, 510910, 1078289, 2156578, 5391445, 10782890, 20487491, 40974982, 102437455, 204874910]

約数ペア:

[(1, 204874910), (2, 102437455), (5, 40974982), (10, 20487491), (19, 10782890), (38, 5391445), (95, 2156578), (190, 1078289), (401, 510910), (802, 255455), (2005, 102182), (2689, 76190), (4010, 51091), (5378, 38095), (7619, 26890), (13445, 15238)]