2912209540

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{1187}}^1\times {\mathrm{2011}}^1$

素因数の和:3268

約数の個数: 48

約数和(自身を含む): 6224226624

約数和(自身を除く): 3312017084

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1187, 1220, 2011, 2374, 4022, 4748, 5935, 8044, 10055, 11870, 20110, 23740, 40220, 72407, 122671, 144814, 245342, 289628, 362035, 490684, 613355, 724070, 1226710, 1448140, 2387057, 2453420, 4774114, 9548228, 11935285, 23870570, 47741140, 145610477, 291220954, 582441908, 728052385, 1456104770, 2912209540]

約数ペア:

[(1, 2912209540), (2, 1456104770), (4, 728052385), (5, 582441908), (10, 291220954), (20, 145610477), (61, 47741140), (122, 23870570), (244, 11935285), (305, 9548228), (610, 4774114), (1187, 2453420), (1220, 2387057), (2011, 1448140), (2374, 1226710), (4022, 724070), (4748, 613355), (5935, 490684), (8044, 362035), (10055, 289628), (11870, 245342), (20110, 144814), (23740, 122671), (40220, 72407)]