211895880

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{1693}}^1$

素因数の和:1863

約数の個数: 128

約数和(自身を含む): 731808000

約数和(自身を除く): 519912120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 149, 168, 210, 280, 298, 420, 447, 596, 745, 840, 894, 1043, 1192, 1490, 1693, 1788, 2086, 2235, 2980, 3129, 3386, 3576, 4172, 4470, 5079, 5215, 5960, 6258, 6772, 8344, 8465, 8940, 10158, 10430, 11851, 12516, 13544, 15645, 16930, 17880, 20316, 20860, 23702, 25032, 25395, 31290, 33860, 35553, 40632, 41720, 47404, 50790, 59255, 62580, 67720, 71106, 94808, 101580, 118510, 125160, 142212, 177765, 203160, 237020, 252257, 284424, 355530, 474040, 504514, 711060, 756771, 1009028, 1261285, 1422120, 1513542, 1765799, 2018056, 2522570, 3027084, 3531598, 3783855, 5045140, 5297397, 6054168, 7063196, 7567710, 8828995, 10090280, 10594794, 14126392, 15135420, 17657990, 21189588, 26486985, 30270840, 35315980, 42379176, 52973970, 70631960, 105947940, 211895880]

約数ペア:

[(1, 211895880), (2, 105947940), (3, 70631960), (4, 52973970), (5, 42379176), (6, 35315980), (7, 30270840), (8, 26486985), (10, 21189588), (12, 17657990), (14, 15135420), (15, 14126392), (20, 10594794), (21, 10090280), (24, 8828995), (28, 7567710), (30, 7063196), (35, 6054168), (40, 5297397), (42, 5045140), (56, 3783855), (60, 3531598), (70, 3027084), (84, 2522570), (105, 2018056), (120, 1765799), (140, 1513542), (149, 1422120), (168, 1261285), (210, 1009028), (280, 756771), (298, 711060), (420, 504514), (447, 474040), (596, 355530), (745, 284424), (840, 252257), (894, 237020), (1043, 203160), (1192, 177765), (1490, 142212), (1693, 125160), (1788, 118510), (2086, 101580), (2235, 94808), (2980, 71106), (3129, 67720), (3386, 62580), (3576, 59255), (4172, 50790), (4470, 47404), (5079, 41720), (5215, 40632), (5960, 35553), (6258, 33860), (6772, 31290), (8344, 25395), (8465, 25032), (8940, 23702), (10158, 20860), (10430, 20316), (11851, 17880), (12516, 16930), (13544, 15645)]