77940100

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{103}}^1$

素因数の和:194

約数の個数: 144

約数和(自身を含む): 207986688

約数和(自身を除く): 130046588

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 25, 28, 35, 46, 47, 50, 70, 92, 94, 100, 103, 115, 140, 161, 175, 188, 206, 230, 235, 322, 329, 350, 412, 460, 470, 515, 575, 644, 658, 700, 721, 805, 940, 1030, 1081, 1150, 1175, 1316, 1442, 1610, 1645, 2060, 2162, 2300, 2350, 2369, 2575, 2884, 3220, 3290, 3605, 4025, 4324, 4700, 4738, 4841, 5150, 5405, 6580, 7210, 7567, 8050, 8225, 9476, 9682, 10300, 10810, 11845, 14420, 15134, 16100, 16450, 16583, 18025, 19364, 21620, 23690, 24205, 27025, 30268, 32900, 33166, 33887, 36050, 37835, 47380, 48410, 54050, 59225, 66332, 67774, 72100, 75670, 82915, 96820, 108100, 111343, 118450, 121025, 135548, 151340, 165830, 169435, 189175, 222686, 236900, 242050, 331660, 338870, 378350, 414575, 445372, 484100, 556715, 677740, 756700, 779401, 829150, 847175, 1113430, 1558802, 1658300, 1694350, 2226860, 2783575, 3117604, 3388700, 3897005, 5567150, 7794010, 11134300, 15588020, 19485025, 38970050, 77940100]

約数ペア:

[(1, 77940100), (2, 38970050), (4, 19485025), (5, 15588020), (7, 11134300), (10, 7794010), (14, 5567150), (20, 3897005), (23, 3388700), (25, 3117604), (28, 2783575), (35, 2226860), (46, 1694350), (47, 1658300), (50, 1558802), (70, 1113430), (92, 847175), (94, 829150), (100, 779401), (103, 756700), (115, 677740), (140, 556715), (161, 484100), (175, 445372), (188, 414575), (206, 378350), (230, 338870), (235, 331660), (322, 242050), (329, 236900), (350, 222686), (412, 189175), (460, 169435), (470, 165830), (515, 151340), (575, 135548), (644, 121025), (658, 118450), (700, 111343), (721, 108100), (805, 96820), (940, 82915), (1030, 75670), (1081, 72100), (1150, 67774), (1175, 66332), (1316, 59225), (1442, 54050), (1610, 48410), (1645, 47380), (2060, 37835), (2162, 36050), (2300, 33887), (2350, 33166), (2369, 32900), (2575, 30268), (2884, 27025), (3220, 24205), (3290, 23690), (3605, 21620), (4025, 19364), (4324, 18025), (4700, 16583), (4738, 16450), (4841, 16100), (5150, 15134), (5405, 14420), (6580, 11845), (7210, 10810), (7567, 10300), (8050, 9682), (8225, 9476)]