28485940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{10709}}^1$

素因数の和:10744

約数の個数: 48

約数和(自身を含む): 71971200

約数和(自身を除く): 43485260

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 380, 532, 665, 1330, 2660, 10709, 21418, 42836, 53545, 74963, 107090, 149926, 203471, 214180, 299852, 374815, 406942, 749630, 813884, 1017355, 1424297, 1499260, 2034710, 2848594, 4069420, 5697188, 7121485, 14242970, 28485940]

約数ペア:

[(1, 28485940), (2, 14242970), (4, 7121485), (5, 5697188), (7, 4069420), (10, 2848594), (14, 2034710), (19, 1499260), (20, 1424297), (28, 1017355), (35, 813884), (38, 749630), (70, 406942), (76, 374815), (95, 299852), (133, 214180), (140, 203471), (190, 149926), (266, 107090), (380, 74963), (532, 53545), (665, 42836), (1330, 21418), (2660, 10709)]