97878820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{3881}}^1$

素因数の和:4000

約数の個数: 48

約数和(自身を含む): 223696368

約数和(自身を除く): 125817548

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 97, 130, 194, 260, 388, 485, 970, 1261, 1940, 2522, 3881, 5044, 6305, 7762, 12610, 15524, 19405, 25220, 38810, 50453, 77620, 100906, 201812, 252265, 376457, 504530, 752914, 1009060, 1505828, 1882285, 3764570, 4893941, 7529140, 9787882, 19575764, 24469705, 48939410, 97878820]

約数ペア:

[(1, 97878820), (2, 48939410), (4, 24469705), (5, 19575764), (10, 9787882), (13, 7529140), (20, 4893941), (26, 3764570), (52, 1882285), (65, 1505828), (97, 1009060), (130, 752914), (194, 504530), (260, 376457), (388, 252265), (485, 201812), (970, 100906), (1261, 77620), (1940, 50453), (2522, 38810), (3881, 25220), (5044, 19405), (6305, 15524), (7762, 12610)]