201947780

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^3\times {\mathrm{127}}^1$

素因数の和:265

約数の個数: 48

約数和(自身を含む): 437606400

約数和(自身を除く): 235658620

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 127, 172, 215, 254, 430, 508, 635, 860, 1270, 1849, 2540, 3698, 5461, 7396, 9245, 10922, 18490, 21844, 27305, 36980, 54610, 79507, 109220, 159014, 234823, 318028, 397535, 469646, 795070, 939292, 1174115, 1590140, 2348230, 4696460, 10097389, 20194778, 40389556, 50486945, 100973890, 201947780]

約数ペア:

[(1, 201947780), (2, 100973890), (4, 50486945), (5, 40389556), (10, 20194778), (20, 10097389), (43, 4696460), (86, 2348230), (127, 1590140), (172, 1174115), (215, 939292), (254, 795070), (430, 469646), (508, 397535), (635, 318028), (860, 234823), (1270, 159014), (1849, 109220), (2540, 79507), (3698, 54610), (5461, 36980), (7396, 27305), (9245, 21844), (10922, 18490)]