30539140

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{89821}}^1$

素因数の和:89847

約数の個数: 24

約数和(自身を含む): 67905432

約数和(自身を除く): 37366292

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 89821, 179642, 359284, 449105, 898210, 1526957, 1796420, 3053914, 6107828, 7634785, 15269570, 30539140]

約数ペア:

[(1, 30539140), (2, 15269570), (4, 7634785), (5, 6107828), (10, 3053914), (17, 1796420), (20, 1526957), (34, 898210), (68, 449105), (85, 359284), (170, 179642), (340, 89821)]