359597960

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1\times {\mathrm{997}}^1$

素因数の和:1206

約数の個数: 64

約数和(自身を含む): 827781120

約数和(自身を除く): 468183160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 127, 142, 254, 284, 355, 508, 568, 635, 710, 997, 1016, 1270, 1420, 1994, 2540, 2840, 3988, 4985, 5080, 7976, 9017, 9970, 18034, 19940, 36068, 39880, 45085, 70787, 72136, 90170, 126619, 141574, 180340, 253238, 283148, 353935, 360680, 506476, 566296, 633095, 707870, 1012952, 1266190, 1415740, 2532380, 2831480, 5064760, 8989949, 17979898, 35959796, 44949745, 71919592, 89899490, 179798980, 359597960]

約数ペア:

[(1, 359597960), (2, 179798980), (4, 89899490), (5, 71919592), (8, 44949745), (10, 35959796), (20, 17979898), (40, 8989949), (71, 5064760), (127, 2831480), (142, 2532380), (254, 1415740), (284, 1266190), (355, 1012952), (508, 707870), (568, 633095), (635, 566296), (710, 506476), (997, 360680), (1016, 353935), (1270, 283148), (1420, 253238), (1994, 180340), (2540, 141574), (2840, 126619), (3988, 90170), (4985, 72136), (5080, 70787), (7976, 45085), (9017, 39880), (9970, 36068), (18034, 19940)]