201921170

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{8783}}^1$

素因数の和:8831

約数の個数: 48

約数和(自身を含む): 420577920

約数和(自身を除く): 218656750

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 55, 95, 110, 121, 190, 209, 242, 418, 605, 1045, 1210, 2090, 2299, 4598, 8783, 11495, 17566, 22990, 43915, 87830, 96613, 166877, 193226, 333754, 483065, 834385, 966130, 1062743, 1668770, 1835647, 2125486, 3671294, 5313715, 9178235, 10627430, 18356470, 20192117, 40384234, 100960585, 201921170]

約数ペア:

[(1, 201921170), (2, 100960585), (5, 40384234), (10, 20192117), (11, 18356470), (19, 10627430), (22, 9178235), (38, 5313715), (55, 3671294), (95, 2125486), (110, 1835647), (121, 1668770), (190, 1062743), (209, 966130), (242, 834385), (418, 483065), (605, 333754), (1045, 193226), (1210, 166877), (2090, 96613), (2299, 87830), (4598, 43915), (8783, 22990), (11495, 17566)]