178402012

素因数分解:

$2^2\times {\mathrm{17}}^2\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1$

素因数の和:215

約数の個数: 72

約数和(自身を含む): 352126544

約数和(自身を除く): 173724532

約数列:

[1, 2, 4, 17, 34, 37, 43, 68, 74, 86, 97, 148, 172, 194, 289, 388, 578, 629, 731, 1156, 1258, 1462, 1591, 1649, 2516, 2924, 3182, 3298, 3589, 4171, 6364, 6596, 7178, 8342, 10693, 12427, 14356, 16684, 21386, 24854, 27047, 28033, 42772, 49708, 54094, 56066, 61013, 70907, 108188, 112132, 122026, 141814, 154327, 244052, 283628, 308654, 459799, 617308, 919598, 1037221, 1205419, 1839196, 2074442, 2410838, 2623559, 4148884, 4821676, 5247118, 10494236, 44600503, 89201006, 178402012]

約数ペア:

[(1, 178402012), (2, 89201006), (4, 44600503), (17, 10494236), (34, 5247118), (37, 4821676), (43, 4148884), (68, 2623559), (74, 2410838), (86, 2074442), (97, 1839196), (148, 1205419), (172, 1037221), (194, 919598), (289, 617308), (388, 459799), (578, 308654), (629, 283628), (731, 244052), (1156, 154327), (1258, 141814), (1462, 122026), (1591, 112132), (1649, 108188), (2516, 70907), (2924, 61013), (3182, 56066), (3298, 54094), (3589, 49708), (4171, 42772), (6364, 28033), (6596, 27047), (7178, 24854), (8342, 21386), (10693, 16684), (12427, 14356)]