190302520

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{110641}}^1$

素因数の和:110695

約数の個数: 32

約数和(自身を含む): 438142320

約数和(自身を除く): 247839800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 110641, 221282, 442564, 553205, 885128, 1106410, 2212820, 4425640, 4757563, 9515126, 19030252, 23787815, 38060504, 47575630, 95151260, 190302520]

約数ペア:

[(1, 190302520), (2, 95151260), (4, 47575630), (5, 38060504), (8, 23787815), (10, 19030252), (20, 9515126), (40, 4757563), (43, 4425640), (86, 2212820), (172, 1106410), (215, 885128), (344, 553205), (430, 442564), (860, 221282), (1720, 110641)]