74828120

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{251}}^1\times {\mathrm{257}}^1$

素因数の和:548

約数の個数: 64

約数和(自身を含む): 175543200

約数和(自身を除く): 100715080

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 251, 257, 290, 502, 514, 580, 1004, 1028, 1160, 1255, 1285, 2008, 2056, 2510, 2570, 5020, 5140, 7279, 7453, 10040, 10280, 14558, 14906, 29116, 29812, 36395, 37265, 58232, 59624, 64507, 72790, 74530, 129014, 145580, 149060, 258028, 291160, 298120, 322535, 516056, 645070, 1290140, 1870703, 2580280, 3741406, 7482812, 9353515, 14965624, 18707030, 37414060, 74828120]

約数ペア:

[(1, 74828120), (2, 37414060), (4, 18707030), (5, 14965624), (8, 9353515), (10, 7482812), (20, 3741406), (29, 2580280), (40, 1870703), (58, 1290140), (116, 645070), (145, 516056), (232, 322535), (251, 298120), (257, 291160), (290, 258028), (502, 149060), (514, 145580), (580, 129014), (1004, 74530), (1028, 72790), (1160, 64507), (1255, 59624), (1285, 58232), (2008, 37265), (2056, 36395), (2510, 29812), (2570, 29116), (5020, 14906), (5140, 14558), (7279, 10280), (7453, 10040)]