121201220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{181}}^1\times {\mathrm{4783}}^1$

素因数の和:4980

約数の個数: 48

約数和(自身を含む): 292551168

約数和(自身を除く): 171349948

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 181, 362, 724, 905, 1267, 1810, 2534, 3620, 4783, 5068, 6335, 9566, 12670, 19132, 23915, 25340, 33481, 47830, 66962, 95660, 133924, 167405, 334810, 669620, 865723, 1731446, 3462892, 4328615, 6060061, 8657230, 12120122, 17314460, 24240244, 30300305, 60600610, 121201220]

約数ペア:

[(1, 121201220), (2, 60600610), (4, 30300305), (5, 24240244), (7, 17314460), (10, 12120122), (14, 8657230), (20, 6060061), (28, 4328615), (35, 3462892), (70, 1731446), (140, 865723), (181, 669620), (362, 334810), (724, 167405), (905, 133924), (1267, 95660), (1810, 66962), (2534, 47830), (3620, 33481), (4783, 25340), (5068, 23915), (6335, 19132), (9566, 12670)]