1909860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{229}}^1$

素因数の和:380

約数の個数: 48

約数和(自身を含む): 5409600

約数和(自身を除く): 3499740

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 139, 229, 278, 417, 458, 556, 687, 695, 834, 916, 1145, 1374, 1390, 1668, 2085, 2290, 2748, 2780, 3435, 4170, 4580, 6870, 8340, 13740, 31831, 63662, 95493, 127324, 159155, 190986, 318310, 381972, 477465, 636620, 954930, 1909860]

約数ペア:

[(1, 1909860), (2, 954930), (3, 636620), (4, 477465), (5, 381972), (6, 318310), (10, 190986), (12, 159155), (15, 127324), (20, 95493), (30, 63662), (60, 31831), (139, 13740), (229, 8340), (278, 6870), (417, 4580), (458, 4170), (556, 3435), (687, 2780), (695, 2748), (834, 2290), (916, 2085), (1145, 1668), (1374, 1390)]