203478580

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{223}}^1\times {\mathrm{1061}}^1$

素因数の和:1336

約数の個数: 48

約数和(自身を含む): 439617024

約数和(自身を除く): 236138444

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 223, 430, 446, 860, 892, 1061, 1115, 2122, 2230, 4244, 4460, 5305, 9589, 10610, 19178, 21220, 38356, 45623, 47945, 91246, 95890, 182492, 191780, 228115, 236603, 456230, 473206, 912460, 946412, 1183015, 2366030, 4732060, 10173929, 20347858, 40695716, 50869645, 101739290, 203478580]

約数ペア:

[(1, 203478580), (2, 101739290), (4, 50869645), (5, 40695716), (10, 20347858), (20, 10173929), (43, 4732060), (86, 2366030), (172, 1183015), (215, 946412), (223, 912460), (430, 473206), (446, 456230), (860, 236603), (892, 228115), (1061, 191780), (1115, 182492), (2122, 95890), (2230, 91246), (4244, 47945), (4460, 45623), (5305, 38356), (9589, 21220), (10610, 19178)]