200898975

素因数分解:

$3^1\times 5^2\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{827}}^1$

素因数の和:960

約数の個数: 48

約数和(自身を含む): 344977920

約数和(自身を除く): 144078945

約数列:

[1, 3, 5, 15, 25, 41, 75, 79, 123, 205, 237, 395, 615, 827, 1025, 1185, 1975, 2481, 3075, 3239, 4135, 5925, 9717, 12405, 16195, 20675, 33907, 48585, 62025, 65333, 80975, 101721, 169535, 195999, 242925, 326665, 508605, 847675, 979995, 1633325, 2543025, 2678653, 4899975, 8035959, 13393265, 40179795, 66966325, 200898975]

約数ペア:

[(1, 200898975), (3, 66966325), (5, 40179795), (15, 13393265), (25, 8035959), (41, 4899975), (75, 2678653), (79, 2543025), (123, 1633325), (205, 979995), (237, 847675), (395, 508605), (615, 326665), (827, 242925), (1025, 195999), (1185, 169535), (1975, 101721), (2481, 80975), (3075, 65333), (3239, 62025), (4135, 48585), (5925, 33907), (9717, 20675), (12405, 16195)]