57157420

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{157}}^1\times {\mathrm{167}}^1$

素因数の和:442

約数の個数: 48

約数和(自身を含む): 122633280

約数和(自身を除く): 65475860

約数列:

[1, 2, 4, 5, 10, 20, 109, 157, 167, 218, 314, 334, 436, 545, 628, 668, 785, 835, 1090, 1570, 1670, 2180, 3140, 3340, 17113, 18203, 26219, 34226, 36406, 52438, 68452, 72812, 85565, 91015, 104876, 131095, 171130, 182030, 262190, 342260, 364060, 524380, 2857871, 5715742, 11431484, 14289355, 28578710, 57157420]

約数ペア:

[(1, 57157420), (2, 28578710), (4, 14289355), (5, 11431484), (10, 5715742), (20, 2857871), (109, 524380), (157, 364060), (167, 342260), (218, 262190), (314, 182030), (334, 171130), (436, 131095), (545, 104876), (628, 91015), (668, 85565), (785, 72812), (835, 68452), (1090, 52438), (1570, 36406), (1670, 34226), (2180, 26219), (3140, 18203), (3340, 17113)]