166556660

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{163}}^1\times {\mathrm{2689}}^1$

素因数の和:2880

約数の個数: 48

約数和(自身を含む): 370574400

約数和(自身を除く): 204017740

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 163, 190, 326, 380, 652, 815, 1630, 2689, 3097, 3260, 5378, 6194, 10756, 12388, 13445, 15485, 26890, 30970, 51091, 53780, 61940, 102182, 204364, 255455, 438307, 510910, 876614, 1021820, 1753228, 2191535, 4383070, 8327833, 8766140, 16655666, 33311332, 41639165, 83278330, 166556660]

約数ペア:

[(1, 166556660), (2, 83278330), (4, 41639165), (5, 33311332), (10, 16655666), (19, 8766140), (20, 8327833), (38, 4383070), (76, 2191535), (95, 1753228), (163, 1021820), (190, 876614), (326, 510910), (380, 438307), (652, 255455), (815, 204364), (1630, 102182), (2689, 61940), (3097, 53780), (3260, 51091), (5378, 30970), (6194, 26890), (10756, 15485), (12388, 13445)]