1790565890

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{2789}}^1$

素因数の和:2955

約数の個数: 64

約数和(自身を含む): 3535488000

約数和(自身を除く): 1744922110

約数列:

[1, 2, 5, 10, 19, 31, 38, 62, 95, 109, 155, 190, 218, 310, 545, 589, 1090, 1178, 2071, 2789, 2945, 3379, 4142, 5578, 5890, 6758, 10355, 13945, 16895, 20710, 27890, 33790, 52991, 64201, 86459, 105982, 128402, 172918, 264955, 304001, 321005, 432295, 529910, 608002, 642010, 864590, 1520005, 1642721, 3040010, 3285442, 5776019, 8213605, 9424031, 11552038, 16427210, 18848062, 28880095, 47120155, 57760190, 94240310, 179056589, 358113178, 895282945, 1790565890]

約数ペア:

[(1, 1790565890), (2, 895282945), (5, 358113178), (10, 179056589), (19, 94240310), (31, 57760190), (38, 47120155), (62, 28880095), (95, 18848062), (109, 16427210), (155, 11552038), (190, 9424031), (218, 8213605), (310, 5776019), (545, 3285442), (589, 3040010), (1090, 1642721), (1178, 1520005), (2071, 864590), (2789, 642010), (2945, 608002), (3379, 529910), (4142, 432295), (5578, 321005), (5890, 304001), (6758, 264955), (10355, 172918), (13945, 128402), (16895, 105982), (20710, 86459), (27890, 64201), (33790, 52991)]