30978728

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{199}}^1$

素因数の和:306

約数の個数: 64

約数和(自身を含む): 66960000

約数和(自身を除く): 35981272

約数列:

[1, 2, 4, 8, 11, 22, 29, 44, 58, 61, 88, 116, 122, 199, 232, 244, 319, 398, 488, 638, 671, 796, 1276, 1342, 1592, 1769, 2189, 2552, 2684, 3538, 4378, 5368, 5771, 7076, 8756, 11542, 12139, 14152, 17512, 19459, 23084, 24278, 38918, 46168, 48556, 63481, 77836, 97112, 126962, 133529, 155672, 253924, 267058, 352031, 507848, 534116, 704062, 1068232, 1408124, 2816248, 3872341, 7744682, 15489364, 30978728]

約数ペア:

[(1, 30978728), (2, 15489364), (4, 7744682), (8, 3872341), (11, 2816248), (22, 1408124), (29, 1068232), (44, 704062), (58, 534116), (61, 507848), (88, 352031), (116, 267058), (122, 253924), (199, 155672), (232, 133529), (244, 126962), (319, 97112), (398, 77836), (488, 63481), (638, 48556), (671, 46168), (796, 38918), (1276, 24278), (1342, 23084), (1592, 19459), (1769, 17512), (2189, 14152), (2552, 12139), (2684, 11542), (3538, 8756), (4378, 7076), (5368, 5771)]