4121590

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{421}}^1$

素因数の和:528

約数の個数: 32

約数和(自身を含む): 8203680

約数和(自身を除く): 4082090

約数列:

[1, 2, 5, 10, 11, 22, 55, 89, 110, 178, 421, 445, 842, 890, 979, 1958, 2105, 4210, 4631, 4895, 9262, 9790, 23155, 37469, 46310, 74938, 187345, 374690, 412159, 824318, 2060795, 4121590]

約数ペア:

[(1, 4121590), (2, 2060795), (5, 824318), (10, 412159), (11, 374690), (22, 187345), (55, 74938), (89, 46310), (110, 37469), (178, 23155), (421, 9790), (445, 9262), (842, 4895), (890, 4631), (979, 4210), (1958, 2105)]