208049183990

素因数分解:

$2^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{211}}^1\times {\mathrm{904601}}^1$

素因数の和:904928

約数の個数: 32

約数和(自身を含む): 379715735520

約数和(自身を除く): 171666551530

約数列:

[1, 2, 5, 10, 109, 211, 218, 422, 545, 1055, 1090, 2110, 22999, 45998, 114995, 229990, 904601, 1809202, 4523005, 9046010, 98601509, 190870811, 197203018, 381741622, 493007545, 954354055, 986015090, 1908708110, 20804918399, 41609836798, 104024591995, 208049183990]

約数ペア:

[(1, 208049183990), (2, 104024591995), (5, 41609836798), (10, 20804918399), (109, 1908708110), (211, 986015090), (218, 954354055), (422, 493007545), (545, 381741622), (1055, 197203018), (1090, 190870811), (2110, 98601509), (22999, 9046010), (45998, 4523005), (114995, 1809202), (229990, 904601)]