200991890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{3863}}^1$

素因数の和:3935

約数の個数: 48

約数和(自身を含む): 407018304

約数和(自身を除く): 206026414

約数列:

[1, 2, 5, 10, 11, 22, 43, 55, 86, 110, 121, 215, 242, 430, 473, 605, 946, 1210, 2365, 3863, 4730, 5203, 7726, 10406, 19315, 26015, 38630, 42493, 52030, 84986, 166109, 212465, 332218, 424930, 467423, 830545, 934846, 1661090, 1827199, 2337115, 3654398, 4674230, 9135995, 18271990, 20099189, 40198378, 100495945, 200991890]

約数ペア:

[(1, 200991890), (2, 100495945), (5, 40198378), (10, 20099189), (11, 18271990), (22, 9135995), (43, 4674230), (55, 3654398), (86, 2337115), (110, 1827199), (121, 1661090), (215, 934846), (242, 830545), (430, 467423), (473, 424930), (605, 332218), (946, 212465), (1210, 166109), (2365, 84986), (3863, 52030), (4730, 42493), (5203, 38630), (7726, 26015), (10406, 19315)]