177728440

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{307}}^1\times {\mathrm{353}}^1$

素因数の和:712

約数の個数: 64

約数和(自身を含む): 412140960

約数和(自身を除く): 234412520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 307, 328, 353, 410, 614, 706, 820, 1228, 1412, 1535, 1640, 1765, 2456, 2824, 3070, 3530, 6140, 7060, 12280, 12587, 14120, 14473, 25174, 28946, 50348, 57892, 62935, 72365, 100696, 108371, 115784, 125870, 144730, 216742, 251740, 289460, 433484, 503480, 541855, 578920, 866968, 1083710, 2167420, 4334840, 4443211, 8886422, 17772844, 22216055, 35545688, 44432110, 88864220, 177728440]

約数ペア:

[(1, 177728440), (2, 88864220), (4, 44432110), (5, 35545688), (8, 22216055), (10, 17772844), (20, 8886422), (40, 4443211), (41, 4334840), (82, 2167420), (164, 1083710), (205, 866968), (307, 578920), (328, 541855), (353, 503480), (410, 433484), (614, 289460), (706, 251740), (820, 216742), (1228, 144730), (1412, 125870), (1535, 115784), (1640, 108371), (1765, 100696), (2456, 72365), (2824, 62935), (3070, 57892), (3530, 50348), (6140, 28946), (7060, 25174), (12280, 14473), (12587, 14120)]