98720875

素因数分解:

$5^3\times {\mathrm{11}}^2\times {\mathrm{61}}^1\times {\mathrm{107}}^1$

素因数の和:205

約数の個数: 48

約数和(自身を含む): 138928608

約数和(自身を除く): 40207733

約数列:

[1, 5, 11, 25, 55, 61, 107, 121, 125, 275, 305, 535, 605, 671, 1177, 1375, 1525, 2675, 3025, 3355, 5885, 6527, 7381, 7625, 12947, 13375, 15125, 16775, 29425, 32635, 36905, 64735, 71797, 83875, 147125, 163175, 184525, 323675, 358985, 789767, 815875, 922625, 1618375, 1794925, 3948835, 8974625, 19744175, 98720875]

約数ペア:

[(1, 98720875), (5, 19744175), (11, 8974625), (25, 3948835), (55, 1794925), (61, 1618375), (107, 922625), (121, 815875), (125, 789767), (275, 358985), (305, 323675), (535, 184525), (605, 163175), (671, 147125), (1177, 83875), (1375, 71797), (1525, 64735), (2675, 36905), (3025, 32635), (3355, 29425), (5885, 16775), (6527, 15125), (7381, 13375), (7625, 12947)]