211831760

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{463}}^1$

素因数の和:545

約数の個数: 160

約数和(自身を含む): 607580160

約数和(自身を除く): 395748400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 35, 38, 40, 43, 56, 70, 76, 80, 86, 95, 112, 133, 140, 152, 172, 190, 215, 266, 280, 301, 304, 344, 380, 430, 463, 532, 560, 602, 665, 688, 760, 817, 860, 926, 1064, 1204, 1330, 1505, 1520, 1634, 1720, 1852, 2128, 2315, 2408, 2660, 3010, 3241, 3268, 3440, 3704, 4085, 4630, 4816, 5320, 5719, 6020, 6482, 6536, 7408, 8170, 8797, 9260, 10640, 11438, 12040, 12964, 13072, 16205, 16340, 17594, 18520, 19909, 22876, 24080, 25928, 28595, 32410, 32680, 35188, 37040, 39818, 43985, 45752, 51856, 57190, 61579, 64820, 65360, 70376, 79636, 87970, 91504, 99545, 114380, 123158, 129640, 139363, 140752, 159272, 175940, 199090, 228760, 246316, 259280, 278726, 307895, 318544, 351880, 378271, 398180, 457520, 492632, 557452, 615790, 696815, 703760, 756542, 796360, 985264, 1114904, 1231580, 1393630, 1513084, 1592720, 1891355, 2229808, 2463160, 2647897, 2787260, 3026168, 3782710, 4926320, 5295794, 5574520, 6052336, 7565420, 10591588, 11149040, 13239485, 15130840, 21183176, 26478970, 30261680, 42366352, 52957940, 105915880, 211831760]

約数ペア:

[(1, 211831760), (2, 105915880), (4, 52957940), (5, 42366352), (7, 30261680), (8, 26478970), (10, 21183176), (14, 15130840), (16, 13239485), (19, 11149040), (20, 10591588), (28, 7565420), (35, 6052336), (38, 5574520), (40, 5295794), (43, 4926320), (56, 3782710), (70, 3026168), (76, 2787260), (80, 2647897), (86, 2463160), (95, 2229808), (112, 1891355), (133, 1592720), (140, 1513084), (152, 1393630), (172, 1231580), (190, 1114904), (215, 985264), (266, 796360), (280, 756542), (301, 703760), (304, 696815), (344, 615790), (380, 557452), (430, 492632), (463, 457520), (532, 398180), (560, 378271), (602, 351880), (665, 318544), (688, 307895), (760, 278726), (817, 259280), (860, 246316), (926, 228760), (1064, 199090), (1204, 175940), (1330, 159272), (1505, 140752), (1520, 139363), (1634, 129640), (1720, 123158), (1852, 114380), (2128, 99545), (2315, 91504), (2408, 87970), (2660, 79636), (3010, 70376), (3241, 65360), (3268, 64820), (3440, 61579), (3704, 57190), (4085, 51856), (4630, 45752), (4816, 43985), (5320, 39818), (5719, 37040), (6020, 35188), (6482, 32680), (6536, 32410), (7408, 28595), (8170, 25928), (8797, 24080), (9260, 22876), (10640, 19909), (11438, 18520), (12040, 17594), (12964, 16340), (13072, 16205)]