208156960

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{1171}}^1$

素因数の和:1298

約数の個数: 96

約数和(自身を含む): 542251584

約数和(自身を除く): 334094624

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 101, 110, 160, 176, 202, 220, 352, 404, 440, 505, 808, 880, 1010, 1111, 1171, 1616, 1760, 2020, 2222, 2342, 3232, 4040, 4444, 4684, 5555, 5855, 8080, 8888, 9368, 11110, 11710, 12881, 16160, 17776, 18736, 22220, 23420, 25762, 35552, 37472, 44440, 46840, 51524, 64405, 88880, 93680, 103048, 118271, 128810, 177760, 187360, 206096, 236542, 257620, 412192, 473084, 515240, 591355, 946168, 1030480, 1182710, 1300981, 1892336, 2060960, 2365420, 2601962, 3784672, 4730840, 5203924, 6504905, 9461680, 10407848, 13009810, 18923360, 20815696, 26019620, 41631392, 52039240, 104078480, 208156960]

約数ペア:

[(1, 208156960), (2, 104078480), (4, 52039240), (5, 41631392), (8, 26019620), (10, 20815696), (11, 18923360), (16, 13009810), (20, 10407848), (22, 9461680), (32, 6504905), (40, 5203924), (44, 4730840), (55, 3784672), (80, 2601962), (88, 2365420), (101, 2060960), (110, 1892336), (160, 1300981), (176, 1182710), (202, 1030480), (220, 946168), (352, 591355), (404, 515240), (440, 473084), (505, 412192), (808, 257620), (880, 236542), (1010, 206096), (1111, 187360), (1171, 177760), (1616, 128810), (1760, 118271), (2020, 103048), (2222, 93680), (2342, 88880), (3232, 64405), (4040, 51524), (4444, 46840), (4684, 44440), (5555, 37472), (5855, 35552), (8080, 25762), (8888, 23420), (9368, 22220), (11110, 18736), (11710, 17776), (12881, 16160)]