4321940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{30871}}^1$

素因数の和:30887

約数の個数: 24

約数和(自身を含む): 10372992

約数和(自身を除く): 6051052

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 30871, 61742, 123484, 154355, 216097, 308710, 432194, 617420, 864388, 1080485, 2160970, 4321940]

約数ペア:

[(1, 4321940), (2, 2160970), (4, 1080485), (5, 864388), (7, 617420), (10, 432194), (14, 308710), (20, 216097), (28, 154355), (35, 123484), (70, 61742), (140, 30871)]