54207475

素因数分解:

$5^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1$

素因数の和:197

約数の個数: 72

約数和(自身を含む): 87784560

約数和(自身を除く): 33577085

約数列:

[1, 5, 7, 17, 19, 25, 35, 49, 85, 95, 119, 133, 137, 175, 245, 323, 425, 475, 595, 665, 685, 833, 931, 959, 1225, 1615, 2261, 2329, 2603, 2975, 3325, 3425, 4165, 4655, 4795, 6713, 8075, 11305, 11645, 13015, 15827, 16303, 18221, 20825, 23275, 23975, 33565, 44251, 56525, 58225, 65075, 79135, 81515, 91105, 114121, 127547, 167825, 221255, 309757, 395675, 407575, 455525, 570605, 637735, 1106275, 1548785, 2168299, 2853025, 3188675, 7743925, 10841495, 54207475]

約数ペア:

[(1, 54207475), (5, 10841495), (7, 7743925), (17, 3188675), (19, 2853025), (25, 2168299), (35, 1548785), (49, 1106275), (85, 637735), (95, 570605), (119, 455525), (133, 407575), (137, 395675), (175, 309757), (245, 221255), (323, 167825), (425, 127547), (475, 114121), (595, 91105), (665, 81515), (685, 79135), (833, 65075), (931, 58225), (959, 56525), (1225, 44251), (1615, 33565), (2261, 23975), (2329, 23275), (2603, 20825), (2975, 18221), (3325, 16303), (3425, 15827), (4165, 13015), (4655, 11645), (4795, 11305), (6713, 8075)]