290387868

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{73}}^2\times {\mathrm{239}}^1$

素因数の和:411

約数の個数: 72

約数和(自身を含む): 726163200

約数和(自身を除く): 435775332

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 57, 73, 76, 114, 146, 219, 228, 239, 292, 438, 478, 717, 876, 956, 1387, 1434, 2774, 2868, 4161, 4541, 5329, 5548, 8322, 9082, 10658, 13623, 15987, 16644, 17447, 18164, 21316, 27246, 31974, 34894, 52341, 54492, 63948, 69788, 101251, 104682, 202502, 209364, 303753, 331493, 405004, 607506, 662986, 994479, 1215012, 1273631, 1325972, 1988958, 2547262, 3820893, 3977916, 5094524, 7641786, 15283572, 24198989, 48397978, 72596967, 96795956, 145193934, 290387868]

約数ペア:

[(1, 290387868), (2, 145193934), (3, 96795956), (4, 72596967), (6, 48397978), (12, 24198989), (19, 15283572), (38, 7641786), (57, 5094524), (73, 3977916), (76, 3820893), (114, 2547262), (146, 1988958), (219, 1325972), (228, 1273631), (239, 1215012), (292, 994479), (438, 662986), (478, 607506), (717, 405004), (876, 331493), (956, 303753), (1387, 209364), (1434, 202502), (2774, 104682), (2868, 101251), (4161, 69788), (4541, 63948), (5329, 54492), (5548, 52341), (8322, 34894), (9082, 31974), (10658, 27246), (13623, 21316), (15987, 18164), (16644, 17447)]