203886220

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{383}}^1\times {\mathrm{619}}^1$

素因数の和:1054

約数の個数: 48

約数和(自身を含む): 439971840

約数和(自身を除く): 236085620

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 383, 430, 619, 766, 860, 1238, 1532, 1915, 2476, 3095, 3830, 6190, 7660, 12380, 16469, 26617, 32938, 53234, 65876, 82345, 106468, 133085, 164690, 237077, 266170, 329380, 474154, 532340, 948308, 1185385, 2370770, 4741540, 10194311, 20388622, 40777244, 50971555, 101943110, 203886220]

約数ペア:

[(1, 203886220), (2, 101943110), (4, 50971555), (5, 40777244), (10, 20388622), (20, 10194311), (43, 4741540), (86, 2370770), (172, 1185385), (215, 948308), (383, 532340), (430, 474154), (619, 329380), (766, 266170), (860, 237077), (1238, 164690), (1532, 133085), (1915, 106468), (2476, 82345), (3095, 65876), (3830, 53234), (6190, 32938), (7660, 26617), (12380, 16469)]