229880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{821}}^1$

素因数の和:839

約数の個数: 32

約数和(自身を含む): 591840

約数和(自身を除く): 361960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 821, 1642, 3284, 4105, 5747, 6568, 8210, 11494, 16420, 22988, 28735, 32840, 45976, 57470, 114940, 229880]

約数ペア:

[(1, 229880), (2, 114940), (4, 57470), (5, 45976), (7, 32840), (8, 28735), (10, 22988), (14, 16420), (20, 11494), (28, 8210), (35, 6568), (40, 5747), (56, 4105), (70, 3284), (140, 1642), (280, 821)]