1857428780

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{211}}^1\times {\mathrm{5303}}^1$

素因数の和:5606

約数の個数: 48

約数和(自身を含む): 3967052544

約数和(自身を除く): 2109623764

約数列:

[1, 2, 4, 5, 10, 20, 83, 166, 211, 332, 415, 422, 830, 844, 1055, 1660, 2110, 4220, 5303, 10606, 17513, 21212, 26515, 35026, 53030, 70052, 87565, 106060, 175130, 350260, 440149, 880298, 1118933, 1760596, 2200745, 2237866, 4401490, 4475732, 5594665, 8802980, 11189330, 22378660, 92871439, 185742878, 371485756, 464357195, 928714390, 1857428780]

約数ペア:

[(1, 1857428780), (2, 928714390), (4, 464357195), (5, 371485756), (10, 185742878), (20, 92871439), (83, 22378660), (166, 11189330), (211, 8802980), (332, 5594665), (415, 4475732), (422, 4401490), (830, 2237866), (844, 2200745), (1055, 1760596), (1660, 1118933), (2110, 880298), (4220, 440149), (5303, 350260), (10606, 175130), (17513, 106060), (21212, 87565), (26515, 70052), (35026, 53030)]