199985180

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{120473}}^1$

素因数の和:120565

約数の個数: 24

約数和(自身を含む): 425032272

約数和(自身を除く): 225047092

約数列:

[1, 2, 4, 5, 10, 20, 83, 166, 332, 415, 830, 1660, 120473, 240946, 481892, 602365, 1204730, 2409460, 9999259, 19998518, 39997036, 49996295, 99992590, 199985180]

約数ペア:

[(1, 199985180), (2, 99992590), (4, 49996295), (5, 39997036), (10, 19998518), (20, 9999259), (83, 2409460), (166, 1204730), (332, 602365), (415, 481892), (830, 240946), (1660, 120473)]