465978040

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{401}}^1$

素因数の和:581

約数の個数: 128

約数和(自身を含む): 1215648000

約数和(自身を除く): 749669960

約数列:

[1, 2, 4, 5, 8, 10, 11, 19, 20, 22, 38, 40, 44, 55, 76, 88, 95, 110, 139, 152, 190, 209, 220, 278, 380, 401, 418, 440, 556, 695, 760, 802, 836, 1045, 1112, 1390, 1529, 1604, 1672, 2005, 2090, 2641, 2780, 3058, 3208, 4010, 4180, 4411, 5282, 5560, 6116, 7619, 7645, 8020, 8360, 8822, 10564, 12232, 13205, 15238, 15290, 16040, 17644, 21128, 22055, 26410, 29051, 30476, 30580, 35288, 38095, 44110, 52820, 55739, 58102, 60952, 61160, 76190, 83809, 88220, 105640, 111478, 116204, 145255, 152380, 167618, 176440, 222956, 232408, 278695, 290510, 304760, 335236, 419045, 445912, 557390, 581020, 613129, 670472, 838090, 1059041, 1114780, 1162040, 1226258, 1676180, 2118082, 2229560, 2452516, 3065645, 3352360, 4236164, 4905032, 5295205, 6131290, 8472328, 10590410, 11649451, 12262580, 21180820, 23298902, 24525160, 42361640, 46597804, 58247255, 93195608, 116494510, 232989020, 465978040]

約数ペア:

[(1, 465978040), (2, 232989020), (4, 116494510), (5, 93195608), (8, 58247255), (10, 46597804), (11, 42361640), (19, 24525160), (20, 23298902), (22, 21180820), (38, 12262580), (40, 11649451), (44, 10590410), (55, 8472328), (76, 6131290), (88, 5295205), (95, 4905032), (110, 4236164), (139, 3352360), (152, 3065645), (190, 2452516), (209, 2229560), (220, 2118082), (278, 1676180), (380, 1226258), (401, 1162040), (418, 1114780), (440, 1059041), (556, 838090), (695, 670472), (760, 613129), (802, 581020), (836, 557390), (1045, 445912), (1112, 419045), (1390, 335236), (1529, 304760), (1604, 290510), (1672, 278695), (2005, 232408), (2090, 222956), (2641, 176440), (2780, 167618), (3058, 152380), (3208, 145255), (4010, 116204), (4180, 111478), (4411, 105640), (5282, 88220), (5560, 83809), (6116, 76190), (7619, 61160), (7645, 60952), (8020, 58102), (8360, 55739), (8822, 52820), (10564, 44110), (12232, 38095), (13205, 35288), (15238, 30580), (15290, 30476), (16040, 29051), (17644, 26410), (21128, 22055)]