31805060

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{1447}}^1$

素因数の和:1620

約数の個数: 48

約数和(自身を含む): 76871424

約数和(自身を除く): 45066364

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 157, 314, 628, 785, 1099, 1447, 1570, 2198, 2894, 3140, 4396, 5495, 5788, 7235, 10129, 10990, 14470, 20258, 21980, 28940, 40516, 50645, 101290, 202580, 227179, 454358, 908716, 1135895, 1590253, 2271790, 3180506, 4543580, 6361012, 7951265, 15902530, 31805060]

約数ペア:

[(1, 31805060), (2, 15902530), (4, 7951265), (5, 6361012), (7, 4543580), (10, 3180506), (14, 2271790), (20, 1590253), (28, 1135895), (35, 908716), (70, 454358), (140, 227179), (157, 202580), (314, 101290), (628, 50645), (785, 40516), (1099, 28940), (1447, 21980), (1570, 20258), (2198, 14470), (2894, 10990), (3140, 10129), (4396, 7235), (5495, 5788)]