30876140

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{193}}^1\times {\mathrm{421}}^1$

素因数の和:642

約数の個数: 48

約数和(自身を含む): 68769120

約数和(自身を除く): 37892980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 193, 380, 386, 421, 772, 842, 965, 1684, 1930, 2105, 3667, 3860, 4210, 7334, 7999, 8420, 14668, 15998, 18335, 31996, 36670, 39995, 73340, 79990, 81253, 159980, 162506, 325012, 406265, 812530, 1543807, 1625060, 3087614, 6175228, 7719035, 15438070, 30876140]

約数ペア:

[(1, 30876140), (2, 15438070), (4, 7719035), (5, 6175228), (10, 3087614), (19, 1625060), (20, 1543807), (38, 812530), (76, 406265), (95, 325012), (190, 162506), (193, 159980), (380, 81253), (386, 79990), (421, 73340), (772, 39995), (842, 36670), (965, 31996), (1684, 18335), (1930, 15998), (2105, 14668), (3667, 8420), (3860, 7999), (4210, 7334)]