291206260

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{439}}^1\times {\mathrm{1951}}^1$

素因数の和:2416

約数の個数: 48

約数和(自身を含む): 649313280

約数和(自身を除く): 358107020

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 439, 878, 1756, 1951, 2195, 3902, 4390, 7463, 7804, 8780, 9755, 14926, 19510, 29852, 33167, 37315, 39020, 66334, 74630, 132668, 149260, 165835, 331670, 663340, 856489, 1712978, 3425956, 4282445, 8564890, 14560313, 17129780, 29120626, 58241252, 72801565, 145603130, 291206260]

約数ペア:

[(1, 291206260), (2, 145603130), (4, 72801565), (5, 58241252), (10, 29120626), (17, 17129780), (20, 14560313), (34, 8564890), (68, 4282445), (85, 3425956), (170, 1712978), (340, 856489), (439, 663340), (878, 331670), (1756, 165835), (1951, 149260), (2195, 132668), (3902, 74630), (4390, 66334), (7463, 39020), (7804, 37315), (8780, 33167), (9755, 29852), (14926, 19510)]