199478290

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{181}}^1\times {\mathrm{233}}^1$

素因数の和:475

約数の個数: 64

約数和(自身を含む): 404756352

約数和(自身を除く): 205278062

約数列:

[1, 2, 5, 10, 11, 22, 43, 55, 86, 110, 181, 215, 233, 362, 430, 466, 473, 905, 946, 1165, 1810, 1991, 2330, 2365, 2563, 3982, 4730, 5126, 7783, 9955, 10019, 12815, 15566, 19910, 20038, 25630, 38915, 42173, 50095, 77830, 84346, 85613, 100190, 110209, 171226, 210865, 220418, 421730, 428065, 463903, 551045, 856130, 927806, 1102090, 1813439, 2319515, 3626878, 4639030, 9067195, 18134390, 19947829, 39895658, 99739145, 199478290]

約数ペア:

[(1, 199478290), (2, 99739145), (5, 39895658), (10, 19947829), (11, 18134390), (22, 9067195), (43, 4639030), (55, 3626878), (86, 2319515), (110, 1813439), (181, 1102090), (215, 927806), (233, 856130), (362, 551045), (430, 463903), (466, 428065), (473, 421730), (905, 220418), (946, 210865), (1165, 171226), (1810, 110209), (1991, 100190), (2330, 85613), (2365, 84346), (2563, 77830), (3982, 50095), (4730, 42173), (5126, 38915), (7783, 25630), (9955, 20038), (10019, 19910), (12815, 15566)]