30421720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{108649}}^1$

素因数の和:108667

約数の個数: 32

約数和(自身を含む): 78228000

約数和(自身を除く): 47806280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 108649, 217298, 434596, 543245, 760543, 869192, 1086490, 1521086, 2172980, 3042172, 3802715, 4345960, 6084344, 7605430, 15210860, 30421720]

約数ペア:

[(1, 30421720), (2, 15210860), (4, 7605430), (5, 6084344), (7, 4345960), (8, 3802715), (10, 3042172), (14, 2172980), (20, 1521086), (28, 1086490), (35, 869192), (40, 760543), (56, 543245), (70, 434596), (140, 217298), (280, 108649)]