42197540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{47}}^1\times {\mathrm{53}}^1$

素因数の和:138

約数の個数: 144

約数和(自身を含む): 115831296

約数和(自身を除く): 73633756

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 47, 53, 55, 70, 77, 94, 106, 110, 121, 140, 154, 188, 212, 220, 235, 242, 265, 308, 329, 371, 385, 470, 484, 517, 530, 583, 605, 658, 742, 770, 847, 940, 1034, 1060, 1166, 1210, 1316, 1484, 1540, 1645, 1694, 1855, 2068, 2332, 2420, 2491, 2585, 2915, 3290, 3388, 3619, 3710, 4081, 4235, 4982, 5170, 5687, 5830, 6413, 6580, 7238, 7420, 8162, 8470, 9964, 10340, 11374, 11660, 12455, 12826, 14476, 16324, 16940, 17437, 18095, 20405, 22748, 24910, 25652, 27401, 28435, 32065, 34874, 36190, 39809, 40810, 44891, 49820, 54802, 56870, 64130, 69748, 72380, 79618, 81620, 87185, 89782, 109604, 113740, 128260, 137005, 159236, 174370, 179564, 191807, 199045, 224455, 274010, 301411, 348740, 383614, 398090, 448910, 548020, 602822, 767228, 796180, 897820, 959035, 1205644, 1507055, 1918070, 2109877, 3014110, 3836140, 4219754, 6028220, 8439508, 10549385, 21098770, 42197540]

約数ペア:

[(1, 42197540), (2, 21098770), (4, 10549385), (5, 8439508), (7, 6028220), (10, 4219754), (11, 3836140), (14, 3014110), (20, 2109877), (22, 1918070), (28, 1507055), (35, 1205644), (44, 959035), (47, 897820), (53, 796180), (55, 767228), (70, 602822), (77, 548020), (94, 448910), (106, 398090), (110, 383614), (121, 348740), (140, 301411), (154, 274010), (188, 224455), (212, 199045), (220, 191807), (235, 179564), (242, 174370), (265, 159236), (308, 137005), (329, 128260), (371, 113740), (385, 109604), (470, 89782), (484, 87185), (517, 81620), (530, 79618), (583, 72380), (605, 69748), (658, 64130), (742, 56870), (770, 54802), (847, 49820), (940, 44891), (1034, 40810), (1060, 39809), (1166, 36190), (1210, 34874), (1316, 32065), (1484, 28435), (1540, 27401), (1645, 25652), (1694, 24910), (1855, 22748), (2068, 20405), (2332, 18095), (2420, 17437), (2491, 16940), (2585, 16324), (2915, 14476), (3290, 12826), (3388, 12455), (3619, 11660), (3710, 11374), (4081, 10340), (4235, 9964), (4982, 8470), (5170, 8162), (5687, 7420), (5830, 7238), (6413, 6580)]