87976420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{6101}}^1$

素因数の和:6220

約数の個数: 48

約数和(自身を含む): 213228288

約数和(自身を除く): 125251868

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 103, 140, 206, 412, 515, 721, 1030, 1442, 2060, 2884, 3605, 6101, 7210, 12202, 14420, 24404, 30505, 42707, 61010, 85414, 122020, 170828, 213535, 427070, 628403, 854140, 1256806, 2513612, 3142015, 4398821, 6284030, 8797642, 12568060, 17595284, 21994105, 43988210, 87976420]

約数ペア:

[(1, 87976420), (2, 43988210), (4, 21994105), (5, 17595284), (7, 12568060), (10, 8797642), (14, 6284030), (20, 4398821), (28, 3142015), (35, 2513612), (70, 1256806), (103, 854140), (140, 628403), (206, 427070), (412, 213535), (515, 170828), (721, 122020), (1030, 85414), (1442, 61010), (2060, 42707), (2884, 30505), (3605, 24404), (6101, 14420), (7210, 12202)]