211403780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{557}}^1\times {\mathrm{2711}}^1$

素因数の和:3284

約数の個数: 48

約数和(自身を含む): 508467456

約数和(自身を除く): 297063676

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 557, 1114, 2228, 2711, 2785, 3899, 5422, 5570, 7798, 10844, 11140, 13555, 15596, 18977, 19495, 27110, 37954, 38990, 54220, 75908, 77980, 94885, 189770, 379540, 1510027, 3020054, 6040108, 7550135, 10570189, 15100270, 21140378, 30200540, 42280756, 52850945, 105701890, 211403780]

約数ペア:

[(1, 211403780), (2, 105701890), (4, 52850945), (5, 42280756), (7, 30200540), (10, 21140378), (14, 15100270), (20, 10570189), (28, 7550135), (35, 6040108), (70, 3020054), (140, 1510027), (557, 379540), (1114, 189770), (2228, 94885), (2711, 77980), (2785, 75908), (3899, 54220), (5422, 38990), (5570, 37954), (7798, 27110), (10844, 19495), (11140, 18977), (13555, 15596)]