256567400

素因数分解:

$2^3\times 5^2\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{1279}}^1$

素因数の和:1371

約数の個数: 96

約数和(自身を含む): 642816000

約数和(自身を除く): 386248600

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 25, 34, 40, 50, 59, 68, 85, 100, 118, 136, 170, 200, 236, 295, 340, 425, 472, 590, 680, 850, 1003, 1180, 1279, 1475, 1700, 2006, 2360, 2558, 2950, 3400, 4012, 5015, 5116, 5900, 6395, 8024, 10030, 10232, 11800, 12790, 20060, 21743, 25075, 25580, 31975, 40120, 43486, 50150, 51160, 63950, 75461, 86972, 100300, 108715, 127900, 150922, 173944, 200600, 217430, 255800, 301844, 377305, 434860, 543575, 603688, 754610, 869720, 1087150, 1282837, 1509220, 1886525, 2174300, 2565674, 3018440, 3773050, 4348600, 5131348, 6414185, 7546100, 10262696, 12828370, 15092200, 25656740, 32070925, 51313480, 64141850, 128283700, 256567400]

約数ペア:

[(1, 256567400), (2, 128283700), (4, 64141850), (5, 51313480), (8, 32070925), (10, 25656740), (17, 15092200), (20, 12828370), (25, 10262696), (34, 7546100), (40, 6414185), (50, 5131348), (59, 4348600), (68, 3773050), (85, 3018440), (100, 2565674), (118, 2174300), (136, 1886525), (170, 1509220), (200, 1282837), (236, 1087150), (295, 869720), (340, 754610), (425, 603688), (472, 543575), (590, 434860), (680, 377305), (850, 301844), (1003, 255800), (1180, 217430), (1279, 200600), (1475, 173944), (1700, 150922), (2006, 127900), (2360, 108715), (2558, 100300), (2950, 86972), (3400, 75461), (4012, 63950), (5015, 51160), (5116, 50150), (5900, 43486), (6395, 40120), (8024, 31975), (10030, 25580), (10232, 25075), (11800, 21743), (12790, 20060)]