213852940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1527521}}^1$

素因数の和:1527537

約数の個数: 24

約数和(自身を含む): 513247392

約数和(自身を除く): 299394452

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1527521, 3055042, 6110084, 7637605, 10692647, 15275210, 21385294, 30550420, 42770588, 53463235, 106926470, 213852940]

約数ペア:

[(1, 213852940), (2, 106926470), (4, 53463235), (5, 42770588), (7, 30550420), (10, 21385294), (14, 15275210), (20, 10692647), (28, 7637605), (35, 6110084), (70, 3055042), (140, 1527521)]