208777500

素因数分解:

$2^2\times 3^4\times 5^4\times {\mathrm{1031}}^1$

素因数の和:1067

約数の個数: 150

約数和(自身を含む): 682675224

約数和(自身を除く): 473897724

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 27, 30, 36, 45, 50, 54, 60, 75, 81, 90, 100, 108, 125, 135, 150, 162, 180, 225, 250, 270, 300, 324, 375, 405, 450, 500, 540, 625, 675, 750, 810, 900, 1031, 1125, 1250, 1350, 1500, 1620, 1875, 2025, 2062, 2250, 2500, 2700, 3093, 3375, 3750, 4050, 4124, 4500, 5155, 5625, 6186, 6750, 7500, 8100, 9279, 10125, 10310, 11250, 12372, 13500, 15465, 16875, 18558, 20250, 20620, 22500, 25775, 27837, 30930, 33750, 37116, 40500, 46395, 50625, 51550, 55674, 61860, 67500, 77325, 83511, 92790, 101250, 103100, 111348, 128875, 139185, 154650, 167022, 185580, 202500, 231975, 257750, 278370, 309300, 334044, 386625, 417555, 463950, 515500, 556740, 644375, 695925, 773250, 835110, 927900, 1159875, 1288750, 1391850, 1546500, 1670220, 1933125, 2087775, 2319750, 2577500, 2783700, 3479625, 3866250, 4175550, 4639500, 5799375, 6959250, 7732500, 8351100, 10438875, 11598750, 13918500, 17398125, 20877750, 23197500, 34796250, 41755500, 52194375, 69592500, 104388750, 208777500]

約数ペア:

[(1, 208777500), (2, 104388750), (3, 69592500), (4, 52194375), (5, 41755500), (6, 34796250), (9, 23197500), (10, 20877750), (12, 17398125), (15, 13918500), (18, 11598750), (20, 10438875), (25, 8351100), (27, 7732500), (30, 6959250), (36, 5799375), (45, 4639500), (50, 4175550), (54, 3866250), (60, 3479625), (75, 2783700), (81, 2577500), (90, 2319750), (100, 2087775), (108, 1933125), (125, 1670220), (135, 1546500), (150, 1391850), (162, 1288750), (180, 1159875), (225, 927900), (250, 835110), (270, 773250), (300, 695925), (324, 644375), (375, 556740), (405, 515500), (450, 463950), (500, 417555), (540, 386625), (625, 334044), (675, 309300), (750, 278370), (810, 257750), (900, 231975), (1031, 202500), (1125, 185580), (1250, 167022), (1350, 154650), (1500, 139185), (1620, 128875), (1875, 111348), (2025, 103100), (2062, 101250), (2250, 92790), (2500, 83511), (2700, 77325), (3093, 67500), (3375, 61860), (3750, 55674), (4050, 51550), (4124, 50625), (4500, 46395), (5155, 40500), (5625, 37116), (6186, 33750), (6750, 30930), (7500, 27837), (8100, 25775), (9279, 22500), (10125, 20620), (10310, 20250), (11250, 18558), (12372, 16875), (13500, 15465)]