268535820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{639371}}^1$

素因数の和:639390

約数の個数: 48

約数和(自身を含む): 859315968

約数和(自身を除く): 590780148

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 639371, 1278742, 1918113, 2557484, 3196855, 3836226, 4475597, 6393710, 7672452, 8951194, 9590565, 12787420, 13426791, 17902388, 19181130, 22377985, 26853582, 38362260, 44755970, 53707164, 67133955, 89511940, 134267910, 268535820]

約数ペア:

[(1, 268535820), (2, 134267910), (3, 89511940), (4, 67133955), (5, 53707164), (6, 44755970), (7, 38362260), (10, 26853582), (12, 22377985), (14, 19181130), (15, 17902388), (20, 13426791), (21, 12787420), (28, 9590565), (30, 8951194), (35, 7672452), (42, 6393710), (60, 4475597), (70, 3836226), (84, 3196855), (105, 2557484), (140, 1918113), (210, 1278742), (420, 639371)]