804958220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{281}}^1\times {\mathrm{449}}^1$

素因数の和:779

約数の個数: 96

約数和(自身を含む): 1918728000

約数和(自身を除く): 1113769780

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 29, 44, 55, 58, 110, 116, 145, 220, 281, 290, 319, 449, 562, 580, 638, 898, 1124, 1276, 1405, 1595, 1796, 2245, 2810, 3091, 3190, 4490, 4939, 5620, 6182, 6380, 8149, 8980, 9878, 12364, 13021, 15455, 16298, 19756, 24695, 26042, 30910, 32596, 40745, 49390, 52084, 61820, 65105, 81490, 89639, 98780, 126169, 130210, 143231, 162980, 179278, 252338, 260420, 286462, 358556, 448195, 504676, 572924, 630845, 716155, 896390, 1261690, 1387859, 1432310, 1792780, 2523380, 2775718, 2864620, 3658901, 5551436, 6939295, 7317802, 13878590, 14635604, 18294505, 27757180, 36589010, 40247911, 73178020, 80495822, 160991644, 201239555, 402479110, 804958220]

約数ペア:

[(1, 804958220), (2, 402479110), (4, 201239555), (5, 160991644), (10, 80495822), (11, 73178020), (20, 40247911), (22, 36589010), (29, 27757180), (44, 18294505), (55, 14635604), (58, 13878590), (110, 7317802), (116, 6939295), (145, 5551436), (220, 3658901), (281, 2864620), (290, 2775718), (319, 2523380), (449, 1792780), (562, 1432310), (580, 1387859), (638, 1261690), (898, 896390), (1124, 716155), (1276, 630845), (1405, 572924), (1595, 504676), (1796, 448195), (2245, 358556), (2810, 286462), (3091, 260420), (3190, 252338), (4490, 179278), (4939, 162980), (5620, 143231), (6182, 130210), (6380, 126169), (8149, 98780), (8980, 89639), (9878, 81490), (12364, 65105), (13021, 61820), (15455, 52084), (16298, 49390), (19756, 40745), (24695, 32596), (26042, 30910)]