4087660

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{347}}^1$

素因数の和:406

約数の個数: 48

約数和(自身を含む): 9354240

約数和(自身を除く): 5266580

約数列:

[1, 2, 4, 5, 10, 19, 20, 31, 38, 62, 76, 95, 124, 155, 190, 310, 347, 380, 589, 620, 694, 1178, 1388, 1735, 2356, 2945, 3470, 5890, 6593, 6940, 10757, 11780, 13186, 21514, 26372, 32965, 43028, 53785, 65930, 107570, 131860, 204383, 215140, 408766, 817532, 1021915, 2043830, 4087660]

約数ペア:

[(1, 4087660), (2, 2043830), (4, 1021915), (5, 817532), (10, 408766), (19, 215140), (20, 204383), (31, 131860), (38, 107570), (62, 65930), (76, 53785), (95, 43028), (124, 32965), (155, 26372), (190, 21514), (310, 13186), (347, 11780), (380, 10757), (589, 6940), (620, 6593), (694, 5890), (1178, 3470), (1388, 2945), (1735, 2356)]