320146.0000000

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{97}}^1$

素因数の和:178

約数の個数: 48

約数和(自身を含む): 6223392

約数和(自身を除く): 3282740

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 53, 97, 106, 143, 194, 212, 286, 388, 572, 583, 689, 1067, 1166, 1261, 1378, 2134, 2332, 2522, 2756, 4268, 5044, 5141, 7579, 10282, 13871, 15158, 20564, 27742, 30316, 55484, 56551, 66833, 113102, 133666, 226204, 267332, 735163, 1470326, 2940652]

約数ペア:

[(1, 2940652), (2, 1470326), (4, 735163), (11, 267332), (13, 226204), (22, 133666), (26, 113102), (44, 66833), (52, 56551), (53, 55484), (97, 30316), (106, 27742), (143, 20564), (194, 15158), (212, 13871), (286, 10282), (388, 7579), (572, 5141), (583, 5044), (689, 4268), (1067, 2756), (1166, 2522), (1261, 2332), (1378, 2134)]