2018990875

素因数分解:

$5^3\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{4603}}^1$

素因数の和:4669

約数の個数: 48

約数和(自身を含む): 2865713760

約数和(自身を除く): 846722885

約数列:

[1, 5, 11, 25, 29, 55, 121, 125, 145, 275, 319, 605, 725, 1375, 1595, 3025, 3509, 3625, 4603, 7975, 15125, 17545, 23015, 39875, 50633, 87725, 115075, 133487, 253165, 438625, 556963, 575375, 667435, 1265825, 1468357, 2784815, 3337175, 6329125, 7341785, 13924075, 16151927, 16685875, 36708925, 69620375, 80759635, 183544625, 403798175, 2018990875]

約数ペア:

[(1, 2018990875), (5, 403798175), (11, 183544625), (25, 80759635), (29, 69620375), (55, 36708925), (121, 16685875), (125, 16151927), (145, 13924075), (275, 7341785), (319, 6329125), (605, 3337175), (725, 2784815), (1375, 1468357), (1595, 1265825), (3025, 667435), (3509, 575375), (3625, 556963), (4603, 438625), (7975, 253165), (15125, 133487), (17545, 115075), (23015, 87725), (39875, 50633)]