206522980

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{197}}^1$

素因数の和:325

約数の個数: 96

約数和(自身を含む): 474211584

約数和(自身を除く): 267688604

約数列:

[1, 2, 4, 5, 10, 20, 23, 43, 46, 53, 86, 92, 106, 115, 172, 197, 212, 215, 230, 265, 394, 430, 460, 530, 788, 860, 985, 989, 1060, 1219, 1970, 1978, 2279, 2438, 3940, 3956, 4531, 4558, 4876, 4945, 6095, 8471, 9062, 9116, 9890, 10441, 11395, 12190, 16942, 18124, 19780, 20882, 22655, 22790, 24380, 33884, 41764, 42355, 45310, 45580, 52205, 52417, 84710, 90620, 104410, 104834, 169420, 194833, 208820, 209668, 240143, 262085, 389666, 448963, 480286, 524170, 779332, 897926, 960572, 974165, 1048340, 1200715, 1795852, 1948330, 2244815, 2401430, 3896660, 4489630, 4802860, 8979260, 10326149, 20652298, 41304596, 51630745, 103261490, 206522980]

約数ペア:

[(1, 206522980), (2, 103261490), (4, 51630745), (5, 41304596), (10, 20652298), (20, 10326149), (23, 8979260), (43, 4802860), (46, 4489630), (53, 3896660), (86, 2401430), (92, 2244815), (106, 1948330), (115, 1795852), (172, 1200715), (197, 1048340), (212, 974165), (215, 960572), (230, 897926), (265, 779332), (394, 524170), (430, 480286), (460, 448963), (530, 389666), (788, 262085), (860, 240143), (985, 209668), (989, 208820), (1060, 194833), (1219, 169420), (1970, 104834), (1978, 104410), (2279, 90620), (2438, 84710), (3940, 52417), (3956, 52205), (4531, 45580), (4558, 45310), (4876, 42355), (4945, 41764), (6095, 33884), (8471, 24380), (9062, 22790), (9116, 22655), (9890, 20882), (10441, 19780), (11395, 18124), (12190, 16942)]