201945415

素因数分解:

$5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{661}}^1$

素因数の和:752

約数の個数: 48

約数和(自身を含む): 298853280

約数和(自身を除く): 96907865

約数列:

[1, 5, 7, 29, 35, 43, 49, 145, 203, 215, 245, 301, 661, 1015, 1247, 1421, 1505, 2107, 3305, 4627, 6235, 7105, 8729, 10535, 19169, 23135, 28423, 32389, 43645, 61103, 95845, 134183, 142115, 161945, 198961, 305515, 670915, 824267, 939281, 994805, 1392727, 4121335, 4696405, 5769869, 6963635, 28849345, 40389083, 201945415]

約数ペア:

[(1, 201945415), (5, 40389083), (7, 28849345), (29, 6963635), (35, 5769869), (43, 4696405), (49, 4121335), (145, 1392727), (203, 994805), (215, 939281), (245, 824267), (301, 670915), (661, 305515), (1015, 198961), (1247, 161945), (1421, 142115), (1505, 134183), (2107, 95845), (3305, 61103), (4627, 43645), (6235, 32389), (7105, 28423), (8729, 23135), (10535, 19169)]