158342840

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{211}}^1\times {\mathrm{257}}^1$

素因数の和:552

約数の個数: 64

約数和(自身を含む): 364275360

約数和(自身を除く): 205932520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 211, 257, 292, 365, 422, 514, 584, 730, 844, 1028, 1055, 1285, 1460, 1688, 2056, 2110, 2570, 2920, 4220, 5140, 8440, 10280, 15403, 18761, 30806, 37522, 54227, 61612, 75044, 77015, 93805, 108454, 123224, 150088, 154030, 187610, 216908, 271135, 308060, 375220, 433816, 542270, 616120, 750440, 1084540, 2169080, 3958571, 7917142, 15834284, 19792855, 31668568, 39585710, 79171420, 158342840]

約数ペア:

[(1, 158342840), (2, 79171420), (4, 39585710), (5, 31668568), (8, 19792855), (10, 15834284), (20, 7917142), (40, 3958571), (73, 2169080), (146, 1084540), (211, 750440), (257, 616120), (292, 542270), (365, 433816), (422, 375220), (514, 308060), (584, 271135), (730, 216908), (844, 187610), (1028, 154030), (1055, 150088), (1285, 123224), (1460, 108454), (1688, 93805), (2056, 77015), (2110, 75044), (2570, 61612), (2920, 54227), (4220, 37522), (5140, 30806), (8440, 18761), (10280, 15403)]