391566950

素因数分解:

$2^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{20029}}^1$

素因数の和:20081

約数の個数: 48

約数和(自身を含む): 804725280

約数和(自身を除く): 413158330

約数列:

[1, 2, 5, 10, 17, 23, 25, 34, 46, 50, 85, 115, 170, 230, 391, 425, 575, 782, 850, 1150, 1955, 3910, 9775, 19550, 20029, 40058, 100145, 200290, 340493, 460667, 500725, 680986, 921334, 1001450, 1702465, 2303335, 3404930, 4606670, 7831339, 8512325, 11516675, 15662678, 17024650, 23033350, 39156695, 78313390, 195783475, 391566950]

約数ペア:

[(1, 391566950), (2, 195783475), (5, 78313390), (10, 39156695), (17, 23033350), (23, 17024650), (25, 15662678), (34, 11516675), (46, 8512325), (50, 7831339), (85, 4606670), (115, 3404930), (170, 2303335), (230, 1702465), (391, 1001450), (425, 921334), (575, 680986), (782, 500725), (850, 460667), (1150, 340493), (1955, 200290), (3910, 100145), (9775, 40058), (19550, 20029)]