220163720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{383}}^1\times {\mathrm{2053}}^1$

素因数の和:2454

約数の個数: 64

約数和(自身を含む): 567889920

約数和(自身を除く): 347726200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 383, 766, 1532, 1915, 2053, 2681, 3064, 3830, 4106, 5362, 7660, 8212, 10265, 10724, 13405, 14371, 15320, 16424, 20530, 21448, 26810, 28742, 41060, 53620, 57484, 71855, 82120, 107240, 114968, 143710, 287420, 574840, 786299, 1572598, 3145196, 3931495, 5504093, 6290392, 7862990, 11008186, 15725980, 22016372, 27520465, 31451960, 44032744, 55040930, 110081860, 220163720]

約数ペア:

[(1, 220163720), (2, 110081860), (4, 55040930), (5, 44032744), (7, 31451960), (8, 27520465), (10, 22016372), (14, 15725980), (20, 11008186), (28, 7862990), (35, 6290392), (40, 5504093), (56, 3931495), (70, 3145196), (140, 1572598), (280, 786299), (383, 574840), (766, 287420), (1532, 143710), (1915, 114968), (2053, 107240), (2681, 82120), (3064, 71855), (3830, 57484), (4106, 53620), (5362, 41060), (7660, 28742), (8212, 26810), (10265, 21448), (10724, 20530), (13405, 16424), (14371, 15320)]