1948340

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{1597}}^1$

素因数の和:1667

約数の個数: 24

約数和(自身を含む): 4161192

約数和(自身を除く): 2212852

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 1597, 3194, 6388, 7985, 15970, 31940, 97417, 194834, 389668, 487085, 974170, 1948340]

約数ペア:

[(1, 1948340), (2, 974170), (4, 487085), (5, 389668), (10, 194834), (20, 97417), (61, 31940), (122, 15970), (244, 7985), (305, 6388), (610, 3194), (1220, 1597)]