490147208

素因数分解:

$2^3\times {\mathrm{47}}^1\times {\mathrm{89}}^1\times {\mathrm{97}}^1\times {\mathrm{151}}^1$

素因数の和:390

約数の個数: 64

約数和(自身を含む): 965260800

約数和(自身を除く): 475113592

約数列:

[1, 2, 4, 8, 47, 89, 94, 97, 151, 178, 188, 194, 302, 356, 376, 388, 604, 712, 776, 1208, 4183, 4559, 7097, 8366, 8633, 9118, 13439, 14194, 14647, 16732, 17266, 18236, 26878, 28388, 29294, 33464, 34532, 36472, 53756, 56776, 58588, 69064, 107512, 117176, 405751, 631633, 688409, 811502, 1263266, 1303583, 1376818, 1623004, 2526532, 2607166, 2753636, 3246008, 5053064, 5214332, 5507272, 10428664, 61268401, 122536802, 245073604, 490147208]

約数ペア:

[(1, 490147208), (2, 245073604), (4, 122536802), (8, 61268401), (47, 10428664), (89, 5507272), (94, 5214332), (97, 5053064), (151, 3246008), (178, 2753636), (188, 2607166), (194, 2526532), (302, 1623004), (356, 1376818), (376, 1303583), (388, 1263266), (604, 811502), (712, 688409), (776, 631633), (1208, 405751), (4183, 117176), (4559, 107512), (7097, 69064), (8366, 58588), (8633, 56776), (9118, 53756), (13439, 36472), (14194, 34532), (14647, 33464), (16732, 29294), (17266, 28388), (18236, 26878)]