201780568

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{149}}^1\times {\mathrm{1399}}^1$

素因数の和:1576

約数の個数: 48

約数和(自身を含む): 418950000

約数和(自身を除く): 217169432

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 121, 149, 242, 298, 484, 596, 968, 1192, 1399, 1639, 2798, 3278, 5596, 6556, 11192, 13112, 15389, 18029, 30778, 36058, 61556, 72116, 123112, 144232, 169279, 208451, 338558, 416902, 677116, 833804, 1354232, 1667608, 2292961, 4585922, 9171844, 18343688, 25222571, 50445142, 100890284, 201780568]

約数ペア:

[(1, 201780568), (2, 100890284), (4, 50445142), (8, 25222571), (11, 18343688), (22, 9171844), (44, 4585922), (88, 2292961), (121, 1667608), (149, 1354232), (242, 833804), (298, 677116), (484, 416902), (596, 338558), (968, 208451), (1192, 169279), (1399, 144232), (1639, 123112), (2798, 72116), (3278, 61556), (5596, 36058), (6556, 30778), (11192, 18029), (13112, 15389)]