208560880

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{347}}^1\times {\mathrm{683}}^1$

素因数の和:1054

約数の個数: 80

約数和(自身を含む): 531287424

約数和(自身を除く): 322726544

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 347, 440, 683, 694, 880, 1366, 1388, 1735, 2732, 2776, 3415, 3470, 3817, 5464, 5552, 6830, 6940, 7513, 7634, 10928, 13660, 13880, 15026, 15268, 19085, 27320, 27760, 30052, 30536, 37565, 38170, 54640, 60104, 61072, 75130, 76340, 120208, 150260, 152680, 237001, 300520, 305360, 474002, 601040, 948004, 1185005, 1896008, 2370010, 2607011, 3792016, 4740020, 5214022, 9480040, 10428044, 13035055, 18960080, 20856088, 26070110, 41712176, 52140220, 104280440, 208560880]

約数ペア:

[(1, 208560880), (2, 104280440), (4, 52140220), (5, 41712176), (8, 26070110), (10, 20856088), (11, 18960080), (16, 13035055), (20, 10428044), (22, 9480040), (40, 5214022), (44, 4740020), (55, 3792016), (80, 2607011), (88, 2370010), (110, 1896008), (176, 1185005), (220, 948004), (347, 601040), (440, 474002), (683, 305360), (694, 300520), (880, 237001), (1366, 152680), (1388, 150260), (1735, 120208), (2732, 76340), (2776, 75130), (3415, 61072), (3470, 60104), (3817, 54640), (5464, 38170), (5552, 37565), (6830, 30536), (6940, 30052), (7513, 27760), (7634, 27320), (10928, 19085), (13660, 15268), (13880, 15026)]