199933975

素因数分解:

$5^2\times {\mathrm{29}}^1\times {\mathrm{97}}^1\times {\mathrm{2843}}^1$

素因数の和:2979

約数の個数: 24

約数和(自身を含む): 259202160

約数和(自身を除く): 59268185

約数列:

[1, 5, 25, 29, 97, 145, 485, 725, 2425, 2813, 2843, 14065, 14215, 70325, 71075, 82447, 275771, 412235, 1378855, 2061175, 6894275, 7997359, 39986795, 199933975]

約数ペア:

[(1, 199933975), (5, 39986795), (25, 7997359), (29, 6894275), (97, 2061175), (145, 1378855), (485, 412235), (725, 275771), (2425, 82447), (2813, 71075), (2843, 70325), (14065, 14215)]