393734020

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{157}}^1\times {\mathrm{3389}}^1$

素因数の和:3592

約数の個数: 48

約数和(自身を含む): 854849520

約数和(自身を除く): 461115500

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 157, 185, 314, 370, 628, 740, 785, 1570, 3140, 3389, 5809, 6778, 11618, 13556, 16945, 23236, 29045, 33890, 58090, 67780, 116180, 125393, 250786, 501572, 532073, 626965, 1064146, 1253930, 2128292, 2507860, 2660365, 5320730, 10641460, 19686701, 39373402, 78746804, 98433505, 196867010, 393734020]

約数ペア:

[(1, 393734020), (2, 196867010), (4, 98433505), (5, 78746804), (10, 39373402), (20, 19686701), (37, 10641460), (74, 5320730), (148, 2660365), (157, 2507860), (185, 2128292), (314, 1253930), (370, 1064146), (628, 626965), (740, 532073), (785, 501572), (1570, 250786), (3140, 125393), (3389, 116180), (5809, 67780), (6778, 58090), (11618, 33890), (13556, 29045), (16945, 23236)]