174927440

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{211}}^1\times {\mathrm{241}}^1$

素因数の和:508

約数の個数: 80

約数和(自身を含む): 419871936

約数和(自身を除く): 244944496

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 211, 215, 241, 344, 422, 430, 482, 688, 844, 860, 964, 1055, 1205, 1688, 1720, 1928, 2110, 2410, 3376, 3440, 3856, 4220, 4820, 8440, 9073, 9640, 10363, 16880, 18146, 19280, 20726, 36292, 41452, 45365, 50851, 51815, 72584, 82904, 90730, 101702, 103630, 145168, 165808, 181460, 203404, 207260, 254255, 362920, 406808, 414520, 508510, 725840, 813616, 829040, 1017020, 2034040, 2186593, 4068080, 4373186, 8746372, 10932965, 17492744, 21865930, 34985488, 43731860, 87463720, 174927440]

約数ペア:

[(1, 174927440), (2, 87463720), (4, 43731860), (5, 34985488), (8, 21865930), (10, 17492744), (16, 10932965), (20, 8746372), (40, 4373186), (43, 4068080), (80, 2186593), (86, 2034040), (172, 1017020), (211, 829040), (215, 813616), (241, 725840), (344, 508510), (422, 414520), (430, 406808), (482, 362920), (688, 254255), (844, 207260), (860, 203404), (964, 181460), (1055, 165808), (1205, 145168), (1688, 103630), (1720, 101702), (1928, 90730), (2110, 82904), (2410, 72584), (3376, 51815), (3440, 50851), (3856, 45365), (4220, 41452), (4820, 36292), (8440, 20726), (9073, 19280), (9640, 18146), (10363, 16880)]