847567580

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{54401}}^1$

素因数の和:54470

約数の個数: 48

約数和(自身を含む): 1919302560

約数和(自身を除く): 1071734980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 41, 76, 82, 95, 164, 190, 205, 380, 410, 779, 820, 1558, 3116, 3895, 7790, 15580, 54401, 108802, 217604, 272005, 544010, 1033619, 1088020, 2067238, 2230441, 4134476, 4460882, 5168095, 8921764, 10336190, 11152205, 20672380, 22304410, 42378379, 44608820, 84756758, 169513516, 211891895, 423783790, 847567580]

約数ペア:

[(1, 847567580), (2, 423783790), (4, 211891895), (5, 169513516), (10, 84756758), (19, 44608820), (20, 42378379), (38, 22304410), (41, 20672380), (76, 11152205), (82, 10336190), (95, 8921764), (164, 5168095), (190, 4460882), (205, 4134476), (380, 2230441), (410, 2067238), (779, 1088020), (820, 1033619), (1558, 544010), (3116, 272005), (3895, 217604), (7790, 108802), (15580, 54401)]