187979820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{447571}}^1$

素因数の和:447590

約数の個数: 48

約数和(自身を含む): 601536768

約数和(自身を除く): 413556948

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, 447571, 895142, 1342713, 1790284, 2237855, 2685426, 3132997, 4475710, 5370852, 6265994, 6713565, 8951420, 9398991, 12531988, 13427130, 15664985, 18797982, 26854260, 31329970, 37595964, 46994955, 62659940, 93989910, 187979820]

約数ペア:

[(1, 187979820), (2, 93989910), (3, 62659940), (4, 46994955), (5, 37595964), (6, 31329970), (7, 26854260), (10, 18797982), (12, 15664985), (14, 13427130), (15, 12531988), (20, 9398991), (21, 8951420), (28, 6713565), (30, 6265994), (35, 5370852), (42, 4475710), (60, 3132997), (70, 2685426), (84, 2237855), (105, 1790284), (140, 1342713), (210, 895142), (420, 447571)]