978431440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{17299}}^1$

素因数の和:17420

約数の個数: 80

約数和(自身を含む): 2625724800

約数和(自身を除く): 1647293360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 101, 112, 140, 202, 280, 404, 505, 560, 707, 808, 1010, 1414, 1616, 2020, 2828, 3535, 4040, 5656, 7070, 8080, 11312, 14140, 17299, 28280, 34598, 56560, 69196, 86495, 121093, 138392, 172990, 242186, 276784, 345980, 484372, 605465, 691960, 968744, 1210930, 1383920, 1747199, 1937488, 2421860, 3494398, 4843720, 6988796, 8735995, 9687440, 12230393, 13977592, 17471990, 24460786, 27955184, 34943980, 48921572, 61151965, 69887960, 97843144, 122303930, 139775920, 195686288, 244607860, 489215720, 978431440]

約数ペア:

[(1, 978431440), (2, 489215720), (4, 244607860), (5, 195686288), (7, 139775920), (8, 122303930), (10, 97843144), (14, 69887960), (16, 61151965), (20, 48921572), (28, 34943980), (35, 27955184), (40, 24460786), (56, 17471990), (70, 13977592), (80, 12230393), (101, 9687440), (112, 8735995), (140, 6988796), (202, 4843720), (280, 3494398), (404, 2421860), (505, 1937488), (560, 1747199), (707, 1383920), (808, 1210930), (1010, 968744), (1414, 691960), (1616, 605465), (2020, 484372), (2828, 345980), (3535, 276784), (4040, 242186), (5656, 172990), (7070, 138392), (8080, 121093), (11312, 86495), (14140, 69196), (17299, 56560), (28280, 34598)]