499253720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{157}}^1\times {\mathrm{277}}^1$

素因数の和:493

約数の個数: 128

約数和(自身を含む): 1328261760

約数和(自身を除く): 829008040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 41, 56, 70, 82, 140, 157, 164, 205, 277, 280, 287, 314, 328, 410, 554, 574, 628, 785, 820, 1099, 1108, 1148, 1256, 1385, 1435, 1570, 1640, 1939, 2198, 2216, 2296, 2770, 2870, 3140, 3878, 4396, 5495, 5540, 5740, 6280, 6437, 7756, 8792, 9695, 10990, 11080, 11357, 11480, 12874, 15512, 19390, 21980, 22714, 25748, 32185, 38780, 43489, 43960, 45059, 45428, 51496, 56785, 64370, 77560, 79499, 86978, 90118, 90856, 113570, 128740, 158998, 173956, 180236, 217445, 225295, 227140, 257480, 304423, 317996, 347912, 360472, 397495, 434890, 450590, 454280, 608846, 635992, 794990, 869780, 901180, 1217692, 1522115, 1589980, 1739560, 1783049, 1802360, 2435384, 3044230, 3179960, 3566098, 6088460, 7132196, 8915245, 12176920, 12481343, 14264392, 17830490, 24962686, 35660980, 49925372, 62406715, 71321960, 99850744, 124813430, 249626860, 499253720]

約数ペア:

[(1, 499253720), (2, 249626860), (4, 124813430), (5, 99850744), (7, 71321960), (8, 62406715), (10, 49925372), (14, 35660980), (20, 24962686), (28, 17830490), (35, 14264392), (40, 12481343), (41, 12176920), (56, 8915245), (70, 7132196), (82, 6088460), (140, 3566098), (157, 3179960), (164, 3044230), (205, 2435384), (277, 1802360), (280, 1783049), (287, 1739560), (314, 1589980), (328, 1522115), (410, 1217692), (554, 901180), (574, 869780), (628, 794990), (785, 635992), (820, 608846), (1099, 454280), (1108, 450590), (1148, 434890), (1256, 397495), (1385, 360472), (1435, 347912), (1570, 317996), (1640, 304423), (1939, 257480), (2198, 227140), (2216, 225295), (2296, 217445), (2770, 180236), (2870, 173956), (3140, 158998), (3878, 128740), (4396, 113570), (5495, 90856), (5540, 90118), (5740, 86978), (6280, 79499), (6437, 77560), (7756, 64370), (8792, 56785), (9695, 51496), (10990, 45428), (11080, 45059), (11357, 43960), (11480, 43489), (12874, 38780), (15512, 32185), (19390, 25748), (21980, 22714)]