156950492420

素因数分解:

$2^2\times 5^1\times {\mathrm{421}}^1\times {\mathrm{1979}}^1\times {\mathrm{9419}}^1$

素因数の和:11828

約数の個数: 48

約数和(自身を含む): 330580958400

約数和(自身を除く): 173630465980

約数列:

[1, 2, 4, 5, 10, 20, 421, 842, 1684, 1979, 2105, 3958, 4210, 7916, 8420, 9419, 9895, 18838, 19790, 37676, 39580, 47095, 94190, 188380, 833159, 1666318, 3332636, 3965399, 4165795, 7930798, 8331590, 15861596, 16663180, 18640201, 19826995, 37280402, 39653990, 74560804, 79307980, 93201005, 186402010, 372804020, 7847524621, 15695049242, 31390098484, 39237623105, 78475246210, 156950492420]

約数ペア:

[(1, 156950492420), (2, 78475246210), (4, 39237623105), (5, 31390098484), (10, 15695049242), (20, 7847524621), (421, 372804020), (842, 186402010), (1684, 93201005), (1979, 79307980), (2105, 74560804), (3958, 39653990), (4210, 37280402), (7916, 19826995), (8420, 18640201), (9419, 16663180), (9895, 15861596), (18838, 8331590), (19790, 7930798), (37676, 4165795), (39580, 3965399), (47095, 3332636), (94190, 1666318), (188380, 833159)]