204884890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{263}}^1\times {\mathrm{359}}^1$

素因数の和:667

約数の個数: 64

約数和(自身を含む): 437944320

約数和(自身を除く): 233059430

約数列:

[1, 2, 5, 7, 10, 14, 31, 35, 62, 70, 155, 217, 263, 310, 359, 434, 526, 718, 1085, 1315, 1795, 1841, 2170, 2513, 2630, 3590, 3682, 5026, 8153, 9205, 11129, 12565, 16306, 18410, 22258, 25130, 40765, 55645, 57071, 77903, 81530, 94417, 111290, 114142, 155806, 188834, 285355, 389515, 472085, 570710, 660919, 779030, 944170, 1321838, 2926927, 3304595, 5853854, 6609190, 14634635, 20488489, 29269270, 40976978, 102442445, 204884890]

約数ペア:

[(1, 204884890), (2, 102442445), (5, 40976978), (7, 29269270), (10, 20488489), (14, 14634635), (31, 6609190), (35, 5853854), (62, 3304595), (70, 2926927), (155, 1321838), (217, 944170), (263, 779030), (310, 660919), (359, 570710), (434, 472085), (526, 389515), (718, 285355), (1085, 188834), (1315, 155806), (1795, 114142), (1841, 111290), (2170, 94417), (2513, 81530), (2630, 77903), (3590, 57071), (3682, 55645), (5026, 40765), (8153, 25130), (9205, 22258), (11129, 18410), (12565, 16306)]