87177320

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{251}}^1\times {\mathrm{457}}^1$

素因数の和:738

約数の個数: 64

約数和(自身を含む): 207748800

約数和(自身を除く): 120571480

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 251, 380, 457, 502, 760, 914, 1004, 1255, 1828, 2008, 2285, 2510, 3656, 4570, 4769, 5020, 8683, 9140, 9538, 10040, 17366, 18280, 19076, 23845, 34732, 38152, 43415, 47690, 69464, 86830, 95380, 114707, 173660, 190760, 229414, 347320, 458828, 573535, 917656, 1147070, 2179433, 2294140, 4358866, 4588280, 8717732, 10897165, 17435464, 21794330, 43588660, 87177320]

約数ペア:

[(1, 87177320), (2, 43588660), (4, 21794330), (5, 17435464), (8, 10897165), (10, 8717732), (19, 4588280), (20, 4358866), (38, 2294140), (40, 2179433), (76, 1147070), (95, 917656), (152, 573535), (190, 458828), (251, 347320), (380, 229414), (457, 190760), (502, 173660), (760, 114707), (914, 95380), (1004, 86830), (1255, 69464), (1828, 47690), (2008, 43415), (2285, 38152), (2510, 34732), (3656, 23845), (4570, 19076), (4769, 18280), (5020, 17366), (8683, 10040), (9140, 9538)]