1900302580

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{785249}}^1$

素因数の和:785280

約数の個数: 36

約数和(自身を含む): 4386406500

約数和(自身を除く): 2486103920

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 1210, 2420, 785249, 1570498, 3140996, 3926245, 7852490, 8637739, 15704980, 17275478, 34550956, 43188695, 86377390, 95015129, 172754780, 190030258, 380060516, 475075645, 950151290, 1900302580]

約数ペア:

[(1, 1900302580), (2, 950151290), (4, 475075645), (5, 380060516), (10, 190030258), (11, 172754780), (20, 95015129), (22, 86377390), (44, 43188695), (55, 34550956), (110, 17275478), (121, 15704980), (220, 8637739), (242, 7852490), (484, 3926245), (605, 3140996), (1210, 1570498), (2420, 785249)]