2056521620

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{318347}}^1$

素因数の和:318392

約数の個数: 48

約数和(自身を含む): 4813421760

約数和(自身を除く): 2756900140

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 34, 38, 68, 76, 85, 95, 170, 190, 323, 340, 380, 646, 1292, 1615, 3230, 6460, 318347, 636694, 1273388, 1591735, 3183470, 5411899, 6048593, 6366940, 10823798, 12097186, 21647596, 24194372, 27059495, 30242965, 54118990, 60485930, 102826081, 108237980, 120971860, 205652162, 411304324, 514130405, 1028260810, 2056521620]

約数ペア:

[(1, 2056521620), (2, 1028260810), (4, 514130405), (5, 411304324), (10, 205652162), (17, 120971860), (19, 108237980), (20, 102826081), (34, 60485930), (38, 54118990), (68, 30242965), (76, 27059495), (85, 24194372), (95, 21647596), (170, 12097186), (190, 10823798), (323, 6366940), (340, 6048593), (380, 5411899), (646, 3183470), (1292, 1591735), (1615, 1273388), (3230, 636694), (6460, 318347)]