196707520

素因数分解:

$2^6\times 5^1\times {\mathrm{199}}^1\times {\mathrm{3089}}^1$

素因数の和:3305

約数の個数: 56

約数和(自身を含む): 470916000

約数和(自身を除く): 274208480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 199, 320, 398, 796, 995, 1592, 1990, 3089, 3184, 3980, 6178, 6368, 7960, 12356, 12736, 15445, 15920, 24712, 30890, 31840, 49424, 61780, 63680, 98848, 123560, 197696, 247120, 494240, 614711, 988480, 1229422, 2458844, 3073555, 4917688, 6147110, 9835376, 12294220, 19670752, 24588440, 39341504, 49176880, 98353760, 196707520]

約数ペア:

[(1, 196707520), (2, 98353760), (4, 49176880), (5, 39341504), (8, 24588440), (10, 19670752), (16, 12294220), (20, 9835376), (32, 6147110), (40, 4917688), (64, 3073555), (80, 2458844), (160, 1229422), (199, 988480), (320, 614711), (398, 494240), (796, 247120), (995, 197696), (1592, 123560), (1990, 98848), (3089, 63680), (3184, 61780), (3980, 49424), (6178, 31840), (6368, 30890), (7960, 24712), (12356, 15920), (12736, 15445)]