2254540

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{349}}^1$

素因数の和:394

約数の個数: 48

約数和(自身を含む): 5292000

約数和(自身を除く): 3037460

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 34, 38, 68, 76, 85, 95, 170, 190, 323, 340, 349, 380, 646, 698, 1292, 1396, 1615, 1745, 3230, 3490, 5933, 6460, 6631, 6980, 11866, 13262, 23732, 26524, 29665, 33155, 59330, 66310, 112727, 118660, 132620, 225454, 450908, 563635, 1127270, 2254540]

約数ペア:

[(1, 2254540), (2, 1127270), (4, 563635), (5, 450908), (10, 225454), (17, 132620), (19, 118660), (20, 112727), (34, 66310), (38, 59330), (68, 33155), (76, 29665), (85, 26524), (95, 23732), (170, 13262), (190, 11866), (323, 6980), (340, 6631), (349, 6460), (380, 5933), (646, 3490), (698, 3230), (1292, 1745), (1396, 1615)]