220121576

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{479}}^1$

素因数の和:642

約数の個数: 64

約数和(自身を含む): 456192000

約数和(自身を除く): 236070424

約数列:

[1, 2, 4, 8, 17, 31, 34, 62, 68, 109, 124, 136, 218, 248, 436, 479, 527, 872, 958, 1054, 1853, 1916, 2108, 3379, 3706, 3832, 4216, 6758, 7412, 8143, 13516, 14824, 14849, 16286, 27032, 29698, 32572, 52211, 57443, 59396, 65144, 104422, 114886, 118792, 208844, 229772, 252433, 417688, 459544, 504866, 887587, 1009732, 1618541, 1775174, 2019464, 3237082, 3550348, 6474164, 7100696, 12948328, 27515197, 55030394, 110060788, 220121576]

約数ペア:

[(1, 220121576), (2, 110060788), (4, 55030394), (8, 27515197), (17, 12948328), (31, 7100696), (34, 6474164), (62, 3550348), (68, 3237082), (109, 2019464), (124, 1775174), (136, 1618541), (218, 1009732), (248, 887587), (436, 504866), (479, 459544), (527, 417688), (872, 252433), (958, 229772), (1054, 208844), (1853, 118792), (1916, 114886), (2108, 104422), (3379, 65144), (3706, 59396), (3832, 57443), (4216, 52211), (6758, 32572), (7412, 29698), (8143, 27032), (13516, 16286), (14824, 14849)]